4644090900 has 54 divisors (see below), whose sum is σ = 14556647742. Its totient is φ = 1238424000.

The previous prime is 4644090887. The next prime is 4644090907. The reversal of 4644090900 is 90904464.

4644090900 is a `hidden beast` number, since 4 + 644 + 0 + 9 + 0 + 9 + 0 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1156952196 + 3487138704 = 34014^2 + 59052^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644090907) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2579151 + ... + 2580950.

Almost surely, 2^4644090900 is an apocalyptic number.

It is an amenable number.

4644090900 is an abundant number, since it is smaller than the sum of its proper divisors (9912556842).

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

4644090900 is a wasteful number, since it uses less digits than its factorization.

4644090900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160121 (or 5160111 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 4644090900 is about 68147.5670879012. The cubic root of 4644090900 is about 1668.4002153713.

The spelling of 4644090900 in words is "four billion, six hundred forty-four million, ninety thousand, nine hundred".