7930431824 has 80 divisors (see below), whose sum is σ = 17964135936. Its totient is φ = 3320832000.

The previous prime is 7930431823. The next prime is 7930431829. The reversal of 7930431824 is 4281340397.

It is a super-2 number, since 2×7930431824² (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 (7930431823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4952624 + ... + 4954224.

Almost surely, 2^7930431824 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 7930431824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8982067968).

7930431824 is an abundant number, since it is smaller than the sum of its proper divisors (10033704112).

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

7930431824 is a wasteful number, since it uses less digits than its factorization.

7930431824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604 (or 2598 counting only the distinct ones).

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

The square root of 7930431824 is about 89052.9720110452. The cubic root of 7930431824 is about 1994.1857657192.

The spelling of 7930431824 in words is "seven billion, nine hundred thirty million, four hundred thirty-one thousand, eight hundred twenty-four".