200644432 has 20 divisors (see below), whose sum is σ = 396085140. Its totient is φ = 98428928.

The previous prime is 200644429. The next prime is 200644441. The reversal of 200644432 is 234446002.

It can be written as a sum of positive squares in 2 ways, for example, as 129140496 + 71503936 = 11364^2 + 8456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200644397 and 200644406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117457 + ... + 119152.

It is an arithmetic number, because the mean of its divisors is an integer number (19804257).

Almost surely, 2^200644432 is an apocalyptic number.

It is an amenable number.

200644432 is a deficient number, since it is larger than the sum of its proper divisors (195440708).

200644432 is a wasteful number, since it uses less digits than its factorization.

200644432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236670 (or 236664 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 200644432 is about 14164.9014115877. The cubic root of 200644432 is about 585.4309844235.

The spelling of 200644432 in words is "two hundred million, six hundred forty-four thousand, four hundred thirty-two".