204450371167406 has 32 divisors (see below), whose sum is σ = 377455262983680. Its totient is φ = 80879660394336.

The previous prime is 204450371167381. The next prime is 204450371167409. The reversal of 204450371167406 is 604761173054402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204450371167409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4343696 + ... + 20682563.

It is an arithmetic number, because the mean of its divisors is an integer number (11795476968240).

Almost surely, 2^{204450371167406} is an apocalyptic number.

204450371167406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

204450371167406 is a deficient number, since it is larger than the sum of its proper divisors (173004891816274).

204450371167406 is a wasteful number, since it uses less digits than its factorization.

204450371167406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25071168.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 204450371167406 in words is "two hundred four trillion, four hundred fifty billion, three hundred seventy-one million, one hundred sixty-seven thousand, four hundred six".