204621194370432 has 256 divisors, whose sum is σ = 629569211788800. Its totient is φ = 57675790368768.

The previous prime is 204621194370401. The next prime is 204621194370443. The reversal of 204621194370432 is 234073491126402.

It is a super-2 number, since 2×204621194370432² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105014398 + ... + 106945154.

It is an arithmetic number, because the mean of its divisors is an integer number (2459254733550).

Almost surely, 2^{204621194370432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204621194370432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314784605894400).

204621194370432 is an abundant number, since it is smaller than the sum of its proper divisors (424948017418368).

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

204621194370432 is a wasteful number, since it uses less digits than its factorization.

204621194370432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931313 (or 1931301 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 204621194370432 in words is "two hundred four trillion, six hundred twenty-one billion, one hundred ninety-four million, three hundred seventy thousand, four hundred thirty-two".