4645644120 has 96 divisors (see below), whose sum is σ = 16259770800. Its totient is φ = 1143542016.

The previous prime is 4645644109. The next prime is 4645644137. The reversal of 4645644120 is 214465464.

4645644120 is a `hidden beast` number, since 4 + 6 + 4 + 5 + 644 + 1 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 491650 + ... + 501009.

Almost surely, 2^4645644120 is an apocalyptic number.

4645644120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4645644120 is an abundant number, since it is smaller than the sum of its proper divisors (11614126680).

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

4645644120 is a wasteful number, since it uses less digits than its factorization.

4645644120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992689 (or 992682 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 4645644120 is about 68158.9621399857. The cubic root of 4645644120 is about 1668.5861939115.

The spelling of 4645644120 in words is "four billion, six hundred forty-five million, six hundred forty-four thousand, one hundred twenty".