32425164440 has 32 divisors (see below), whose sum is σ = 73638467280. Its totient is φ = 12848848512.

The previous prime is 32425164391. The next prime is 32425164449. The reversal of 32425164440 is 4446152423.

It is a super-2 number, since 2×32425164440² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32425164440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32425164449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3783707 + ... + 3792266.

Almost surely, 2^32425164440 is an apocalyptic number.

It is an amenable number.

32425164440 is an abundant number, since it is smaller than the sum of its proper divisors (41213302840).

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

32425164440 is a wasteful number, since it uses less digits than its factorization.

32425164440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7576091 (or 7576087 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 32425164440 in words is "thirty-two billion, four hundred twenty-five million, one hundred sixty-four thousand, four hundred forty".