7904040944 has 60 divisors (see below), whose sum is σ = 16161070536. Its totient is φ = 3743410944.

The previous prime is 7904040941. The next prime is 7904040959. The reversal of 7904040944 is 4490404097.

It is a super-2 number, since 2×7904040944² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7904040941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 707627 + ... + 718709.

Almost surely, 2^7904040944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7904040944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8080535268).

7904040944 is an abundant number, since it is smaller than the sum of its proper divisors (8257029592).

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

7904040944 is a wasteful number, since it uses less digits than its factorization.

7904040944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11202 (or 11167 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 7904040944 is about 88904.6733529796. The cubic root of 7904040944 is about 1991.9712245108.

The spelling of 7904040944 in words is "seven billion, nine hundred four million, forty thousand, nine hundred forty-four".