3155423040 has 1344 divisors, whose sum is σ = 15337340928. Its totient is φ = 597196800.

The previous prime is 3155423027. The next prime is 3155423041. The reversal of 3155423040 is 403245513.

3155423040 is a `hidden beast` number, since 315 + 5 + 42 + 304 + 0 = 666.

3155423040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a super-2 number, since 2×3155423040² = 19913389122725683200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3155422995 and 3155423013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155423041) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 101787825 + ... + 101787855.

It is an arithmetic number, because the mean of its divisors is an integer number (11411712).

Almost surely, 2^3155423040 is an apocalyptic number.

3155423040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3155423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7668670464).

3155423040 is an abundant number, since it is smaller than the sum of its proper divisors (12181917888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3155423040 is a wasteful number, since it uses less digits than its factorization.

3155423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3155423040 is about 56173.1523060617. The cubic root of 3155423040 is about 1466.7379561308.

Adding to 3155423040 its reverse (403245513), we get a palindrome (3558668553).

The spelling of 3155423040 in words is "three billion, one hundred fifty-five million, four hundred twenty-three thousand, forty".