204406383734 has 32 divisors (see below), whose sum is σ = 362066153472. Its totient is φ = 84694428000.

The previous prime is 204406383689. The next prime is 204406383767. The reversal of 204406383734 is 437383604402.

It is a super-2 number, since 2×204406383734² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219044 + ... + 675864.

It is an arithmetic number, because the mean of its divisors is an integer number (11314567296).

Almost surely, 2^204406383734 is an apocalyptic number.

204406383734 is a deficient number, since it is larger than the sum of its proper divisors (157659769738).

204406383734 is a wasteful number, since it uses less digits than its factorization.

204406383734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457892.

The product of its (nonzero) digits is 1161216, while the sum is 44.

The spelling of 204406383734 in words is "two hundred four billion, four hundred six million, three hundred eighty-three thousand, seven hundred thirty-four".