404408442156 has 48 divisors (see below), whose sum is σ = 969894503424. Its totient is φ = 131077388736.

The previous prime is 404408442103. The next prime is 404408442161. The reversal of 404408442156 is 651244804404.

404408442156 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 1642191 + ... + 1872326.

It is an arithmetic number, because the mean of its divisors is an integer number (20206135488).

Almost surely, 2^404408442156 is an apocalyptic number.

It is an amenable number.

404408442156 is an abundant number, since it is smaller than the sum of its proper divisors (565486061268).

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

404408442156 is a wasteful number, since it uses less digits than its factorization.

404408442156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514790 (or 3514788 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 42.

The spelling of 404408442156 in words is "four hundred four billion, four hundred eight million, four hundred forty-two thousand, one hundred fifty-six".