2665045332 has 72 divisors (see below), whose sum is σ = 6887244000. Its totient is φ = 868684608.

The previous prime is 2665045309. The next prime is 2665045333. The reversal of 2665045332 is 2335405662.

It is a super-2 number, since 2×2665045332² = 14204933243229980448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665045333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331294 + ... + 339242.

Almost surely, 2^2665045332 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 2665045332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3443622000).

2665045332 is an abundant number, since it is smaller than the sum of its proper divisors (4222198668).

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

2665045332 is a wasteful number, since it uses less digits than its factorization.

2665045332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8165 (or 8160 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 2665045332 is about 51624.0770571252. The cubic root of 2665045332 is about 1386.4414490563.

The spelling of 2665045332 in words is "two billion, six hundred sixty-five million, forty-five thousand, three hundred thirty-two".