40417812 has 24 divisors (see below), whose sum is σ = 104787200. Its totient is φ = 13472568.

The previous prime is 40417799. The next prime is 40417829. The reversal of 40417812 is 21871404.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187012 + ... + 187227.

Almost surely, 2^40417812 is an apocalyptic number.

It is an amenable number.

40417812 is an abundant number, since it is smaller than the sum of its proper divisors (64369388).

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

40417812 is a wasteful number, since it uses less digits than its factorization.

40417812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374252 (or 374244 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 40417812 is about 6357.5004522218. The cubic root of 40417812 is about 343.1818147731.

The spelling of 40417812 in words is "forty million, four hundred seventeen thousand, eight hundred twelve".