404178059490 has 64 divisors (see below), whose sum is σ = 1037059635456. Its totient is φ = 100455892992.

The previous prime is 404178059449. The next prime is 404178059513. The reversal of 404178059490 is 94950871404.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3794587 + ... + 3899646.

It is an arithmetic number, because the mean of its divisors is an integer number (16204056804).

Almost surely, 2^404178059490 is an apocalyptic number.

404178059490 is an abundant number, since it is smaller than the sum of its proper divisors (632881575966).

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

404178059490 is a wasteful number, since it uses less digits than its factorization.

404178059490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7694363.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 404178059490 in words is "four hundred four billion, one hundred seventy-eight million, fifty-nine thousand, four hundred ninety".