3644732250 has 96 divisors (see below), whose sum is σ = 9951671808. Its totient is φ = 962431200.

The previous prime is 3644732227. The next prime is 3644732281. The reversal of 3644732250 is 522374463.

3644732250 is a `hidden beast` number, since 3 + 644 + 7 + 3 + 2 + 2 + 5 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223887 + ... + 239613.

It is an arithmetic number, because the mean of its divisors is an integer number (103663248).

Almost surely, 2^3644732250 is an apocalyptic number.

3644732250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3644732250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4975835904).

3644732250 is an abundant number, since it is smaller than the sum of its proper divisors (6306939558).

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

3644732250 is a wasteful number, since it uses less digits than its factorization.

3644732250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15853 (or 15840 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The square root of 3644732250 is about 60371.6179176937. The cubic root of 3644732250 is about 1538.9406682830.

The spelling of 3644732250 in words is "three billion, six hundred forty-four million, seven hundred thirty-two thousand, two hundred fifty".