40470894 has 16 divisors (see below), whose sum is σ = 89935440. Its totient is φ = 13490280.

The previous prime is 40470887. The next prime is 40470907. The reversal of 40470894 is 49807404.

40470894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40470894² = 3275786522318472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 374677 + ... + 374784.

It is an arithmetic number, because the mean of its divisors is an integer number (5620965).

Almost surely, 2^40470894 is an apocalyptic number.

40470894 is an abundant number, since it is smaller than the sum of its proper divisors (49464546).

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

40470894 is a wasteful number, since it uses less digits than its factorization.

40470894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749472 (or 749466 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 40470894 is about 6361.6738363421. The cubic root of 40470894 is about 343.3319862538.

The spelling of 40470894 in words is "forty million, four hundred seventy thousand, eight hundred ninety-four".