4005651264 has 56 divisors (see below), whose sum is σ = 10606662048. Its totient is φ = 1334161920.

The previous prime is 4005651263. The next prime is 4005651289. The reversal of 4005651264 is 4621565004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005651263) 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, 257599 + ... + 272705.

Almost surely, 2^4005651264 is an apocalyptic number.

It is an amenable number.

4005651264 is an abundant number, since it is smaller than the sum of its proper divisors (6601010784).

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

4005651264 is a wasteful number, since it uses less digits than its factorization.

4005651264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16503 (or 16493 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 4005651264 is about 63290.2145990990. The cubic root of 4005651264 is about 1588.1482687202.

The spelling of 4005651264 in words is "four billion, five million, six hundred fifty-one thousand, two hundred sixty-four".