204257452654 has 8 divisors (see below), whose sum is σ = 307384180488. Its totient is φ = 101796059160.

The previous prime is 204257452643. The next prime is 204257452667. The reversal of 204257452654 is 456254752402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×204257452654² (a number of 23 digits) contains 22 as substring.

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, 166332817 + ... + 166334044.

It is an arithmetic number, because the mean of its divisors is an integer number (38423022561).

Almost surely, 2^204257452654 is an apocalyptic number.

204257452654 is a deficient number, since it is larger than the sum of its proper divisors (103126727834).

204257452654 is a wasteful number, since it uses less digits than its factorization.

204257452654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332667170.

The product of its (nonzero) digits is 2688000, while the sum is 46.

The spelling of 204257452654 in words is "two hundred four billion, two hundred fifty-seven million, four hundred fifty-two thousand, six hundred fifty-four".