832431028640 has 24 divisors (see below), whose sum is σ = 1966618305540. Its totient is φ = 332972411392.

The previous prime is 832431028603. The next prime is 832431028643. The reversal of 832431028640 is 46820134238.

It can be written as a sum of positive squares in 2 ways, for example, as 698688687376 + 133742341264 = 835876^2 + 365708^2 .

It is not an unprimeable number, because it can be changed into a prime (832431028643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2601346805 + ... + 2601347124.

Almost surely, 2^832431028640 is an apocalyptic number.

832431028640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

832431028640 is an abundant number, since it is smaller than the sum of its proper divisors (1134187276900).

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

832431028640 is a wasteful number, since it uses less digits than its factorization.

832431028640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202693944 (or 5202693936 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 832431028640 in words is "eight hundred thirty-two billion, four hundred thirty-one million, twenty-eight thousand, six hundred forty".