40401804 has 48 divisors (see below), whose sum is σ = 98825216. Its totient is φ = 12830400.

The previous prime is 40401799. The next prime is 40401821. The reversal of 40401804 is 40810404.

40401804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24114 + ... + 25734.

Almost surely, 2^40401804 is an apocalyptic number.

It is an amenable number.

40401804 is an abundant number, since it is smaller than the sum of its proper divisors (58423412).

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

40401804 is a wasteful number, since it uses less digits than its factorization.

40401804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726 (or 1724 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 40401804 is about 6356.2413421770. The cubic root of 40401804 is about 343.1365015836.

The spelling of 40401804 in words is "forty million, four hundred one thousand, eight hundred four".