40392936 has 48 divisors (see below), whose sum is σ = 115159200. Its totient is φ = 12755232.

The previous prime is 40392931. The next prime is 40392949. The reversal of 40392936 is 63929304.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40392936.

It is not an unprimeable number, because it can be changed into a prime (40392931) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13396 + ... + 16131.

It is an arithmetic number, because the mean of its divisors is an integer number (2399150).

Almost surely, 2^40392936 is an apocalyptic number.

It is an amenable number.

40392936 is an abundant number, since it is smaller than the sum of its proper divisors (74766264).

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

40392936 is a wasteful number, since it uses less digits than its factorization.

40392936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29558 (or 29551 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 40392936 is about 6355.5437218227. The cubic root of 40392936 is about 343.1113941473. Note that the first 3 decimals are identical.

It can be divided in two parts, 40392 and 936, that added together give a triangular number (41328 = T₂₈₇).

The spelling of 40392936 in words is "forty million, three hundred ninety-two thousand, nine hundred thirty-six".