4251564402 has 32 divisors (see below), whose sum is σ = 8813112000. Its totient is φ = 1366227648.

The previous prime is 4251564389. The next prime is 4251564403. The reversal of 4251564402 is 2044651524.

It is not an unprimeable number, because it can be changed into a prime (4251564403) 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, 63652 + ... + 112047.

It is an arithmetic number, because the mean of its divisors is an integer number (275409750).

Almost surely, 2^4251564402 is an apocalyptic number.

4251564402 is an abundant number, since it is smaller than the sum of its proper divisors (4561547598).

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

4251564402 is a wasteful number, since it uses less digits than its factorization.

4251564402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175850.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 4251564402 is about 65204.0213637165. The cubic root of 4251564402 is about 1620.0046235198.

The spelling of 4251564402 in words is "four billion, two hundred fifty-one million, five hundred sixty-four thousand, four hundred two".