404857356734 has 4 divisors (see below), whose sum is σ = 607286035104. Its totient is φ = 202428678366.

The previous prime is 404857356691. The next prime is 404857356749. The reversal of 404857356734 is 437653758404.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 404857356734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101214339182 + ... + 101214339185.

It is an arithmetic number, because the mean of its divisors is an integer number (151821508776).

Almost surely, 2^404857356734 is an apocalyptic number.

404857356734 is a deficient number, since it is larger than the sum of its proper divisors (202428678370).

404857356734 is a wasteful number, since it uses less digits than its factorization.

404857356734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202428678369.

The product of its (nonzero) digits is 33868800, while the sum is 56.

The spelling of 404857356734 in words is "four hundred four billion, eight hundred fifty-seven million, three hundred fifty-six thousand, seven hundred thirty-four".