3112403040 has 144 divisors (see below), whose sum is σ = 10644667488. Its totient is φ = 828131328.

The previous prime is 3112403003. The next prime is 3112403093. The reversal of 3112403040 is 403042113.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 722172 + ... + 726468.

It is an arithmetic number, because the mean of its divisors is an integer number (73921302).

Almost surely, 2^3112403040 is an apocalyptic number.

3112403040 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 3112403040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5322333744).

3112403040 is an abundant number, since it is smaller than the sum of its proper divisors (7532264448).

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

3112403040 is a wasteful number, since it uses less digits than its factorization.

3112403040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4821 (or 4810 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3112403040 is about 55788.9150279874. The cubic root of 3112403040 is about 1460.0417577348.

Adding to 3112403040 its reverse (403042113), we get a palindrome (3515445153).

The spelling of 3112403040 in words is "three billion, one hundred twelve million, four hundred three thousand, forty".