4874566640 has 80 divisors (see below), whose sum is σ = 11847152448. Its totient is φ = 1861736448.

The previous prime is 4874566637. The next prime is 4874566661. The reversal of 4874566640 is 466654784.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×4874566640² = 47522799855601779200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199492 + ... + 1203548.

Almost surely, 2^4874566640 is an apocalyptic number.

4874566640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4874566640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5923576224).

4874566640 is an abundant number, since it is smaller than the sum of its proper divisors (6972585808).

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

4874566640 is a wasteful number, since it uses less digits than its factorization.

4874566640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746 (or 4740 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

The square root of 4874566640 is about 69818.0967944558. The cubic root of 4874566640 is about 1695.5554767570. Note that the first 3 decimals are identical.

The spelling of 4874566640 in words is "four billion, eight hundred seventy-four million, five hundred sixty-six thousand, six hundred forty".