4561988256 has 96 divisors (see below), whose sum is σ = 15206647680. Its totient is φ = 1303423488.

The previous prime is 4561988243. The next prime is 4561988257. The reversal of 4561988256 is 6528891654.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4561988257) 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, 371101 + ... + 383196.

It is an arithmetic number, because the mean of its divisors is an integer number (158402580).

Almost surely, 2^4561988256 is an apocalyptic number.

It is an amenable number.

4561988256 is an abundant number, since it is smaller than the sum of its proper divisors (10644659424).

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

4561988256 is a wasteful number, since it uses less digits than its factorization.

4561988256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754323 (or 754309 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 4561988256 is about 67542.4922252651. The cubic root of 4561988256 is about 1658.5098467286.

The spelling of 4561988256 in words is "four billion, five hundred sixty-one million, nine hundred eighty-eight thousand, two hundred fifty-six".