3153551940 has 504 divisors, whose sum is σ = 12617172288. Its totient is φ = 642919680.

The previous prime is 3153551939. The next prime is 3153551971. The reversal of 3153551940 is 491553513.

It is a happy number.

3153551940 is a `hidden beast` number, since 3 + 15 + 3 + 551 + 94 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3153551895 and 3153551904.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 59500954 + ... + 59501006.

It is an arithmetic number, because the mean of its divisors is an integer number (25034072).

Almost surely, 2^3153551940 is an apocalyptic number.

3153551940 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 3153551940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6308586144).

3153551940 is an abundant number, since it is smaller than the sum of its proper divisors (9463620348).

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

3153551940 is a wasteful number, since it uses less digits than its factorization.

3153551940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The square root of 3153551940 is about 56156.4950829376. The cubic root of 3153551940 is about 1466.4479838097.

The spelling of 3153551940 in words is "three billion, one hundred fifty-three million, five hundred fifty-one thousand, nine hundred forty".