31552436040 has 32 divisors (see below), whose sum is σ = 94657308480. Its totient is φ = 8413982912.

The previous prime is 31552436039. The next prime is 31552436053. The reversal of 31552436040 is 4063425513.

It is a junction number, because it is equal to n+sod(n) for n = 31552435992 and 31552436010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131468364 + ... + 131468603.

It is an arithmetic number, because the mean of its divisors is an integer number (2958040890).

Almost surely, 2^31552436040 is an apocalyptic number.

31552436040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31552436040 is an abundant number, since it is smaller than the sum of its proper divisors (63104872440).

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

31552436040 is a wasteful number, since it uses less digits than its factorization.

31552436040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262936981 (or 262936977 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 31552436040 in words is "thirty-one billion, five hundred fifty-two million, four hundred thirty-six thousand, forty".