4457856536 has 24 divisors (see below), whose sum is σ = 9723131820. Its totient is φ = 1910509776.

The previous prime is 4457856521. The next prime is 4457856541. The reversal of 4457856536 is 6356587544.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5685650 + ... + 5686433.

Almost surely, 2^4457856536 is an apocalyptic number.

It is an amenable number.

4457856536 is an abundant number, since it is smaller than the sum of its proper divisors (5265275284).

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

4457856536 is a wasteful number, since it uses less digits than its factorization.

4457856536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11372103 (or 11372092 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 53.

The square root of 4457856536 is about 66767.1815789764. The cubic root of 4457856536 is about 1645.7935751551.

The spelling of 4457856536 in words is "four billion, four hundred fifty-seven million, eight hundred fifty-six thousand, five hundred thirty-six".