204150426516 has 72 divisors (see below), whose sum is σ = 538568823520. Its totient is φ = 67616651232.

The previous prime is 204150426503. The next prime is 204150426521. The reversal of 204150426516 is 615624051402.

204150426516 is a `hidden beast` number, since 204 + 15 + 0 + 426 + 5 + 16 = 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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 516286 + ... + 821493.

Almost surely, 2^204150426516 is an apocalyptic number.

It is an amenable number.

204150426516 is an abundant number, since it is smaller than the sum of its proper divisors (334418397004).

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

204150426516 is a wasteful number, since it uses less digits than its factorization.

204150426516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337955 (or 1337941 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 204150426516 its reverse (615624051402), we get a palindrome (819774477918).

The spelling of 204150426516 in words is "two hundred four billion, one hundred fifty million, four hundred twenty-six thousand, five hundred sixteen".