4864562640 has 120 divisors (see below), whose sum is σ = 18670674048. Its totient is φ = 1111898880.

The previous prime is 4864562639. The next prime is 4864562683. The reversal of 4864562640 is 462654684.

4864562640 is a `hidden beast` number, since 4 + 86 + 4 + 562 + 6 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 477556 + ... + 487635.

Almost surely, 2^4864562640 is an apocalyptic number.

4864562640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4864562640 is an abundant number, since it is smaller than the sum of its proper divisors (13806111408).

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

4864562640 is a wasteful number, since it uses less digits than its factorization.

4864562640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965217 (or 965208 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The square root of 4864562640 is about 69746.4166821493. The cubic root of 4864562640 is about 1694.3947613306.

The spelling of 4864562640 in words is "four billion, eight hundred sixty-four million, five hundred sixty-two thousand, six hundred forty".