2664525432 has 64 divisors (see below), whose sum is σ = 6850656000. Its totient is φ = 863270144.

The previous prime is 2664525421. The next prime is 2664525433. The reversal of 2664525432 is 2345254662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664525433) 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, 115453 + ... + 136595.

It is an arithmetic number, because the mean of its divisors is an integer number (107041500).

Almost surely, 2^2664525432 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 2664525432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3425328000).

2664525432 is an abundant number, since it is smaller than the sum of its proper divisors (4186130568).

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

2664525432 is a wasteful number, since it uses less digits than its factorization.

2664525432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21300 (or 21296 counting only the distinct ones).

The product of its digits is 345600, while the sum is 39.

The square root of 2664525432 is about 51619.0413704090. The cubic root of 2664525432 is about 1386.3512870144.

The spelling of 2664525432 in words is "two billion, six hundred sixty-four million, five hundred twenty-five thousand, four hundred thirty-two".