31795964440 has 16 divisors (see below), whose sum is σ = 71540920080. Its totient is φ = 12718385760.

The previous prime is 31795964353. The next prime is 31795964441. The reversal of 31795964440 is 4446959713.

It is a super-3 number, since 3×31795964440³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31795964441) 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, 397449516 + ... + 397449595.

It is an arithmetic number, because the mean of its divisors is an integer number (4471307505).

Almost surely, 2^31795964440 is an apocalyptic number.

It is an amenable number.

31795964440 is an abundant number, since it is smaller than the sum of its proper divisors (39744955640).

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

31795964440 is a wasteful number, since it uses less digits than its factorization.

31795964440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794899122 (or 794899118 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 31795964440 in words is "thirty-one billion, seven hundred ninety-five million, nine hundred sixty-four thousand, four hundred forty".