40675920 has 40 divisors (see below), whose sum is σ = 126096096. Its totient is φ = 10846848.

The previous prime is 40675919. The next prime is 40675931. The reversal of 40675920 is 2957604.

It is a tau number, because it is divible by the number of its divisors (40).

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, 84502 + ... + 84981.

Almost surely, 2^40675920 is an apocalyptic number.

40675920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40675920 is an abundant number, since it is smaller than the sum of its proper divisors (85420176).

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

40675920 is a wasteful number, since it uses less digits than its factorization.

40675920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169499 (or 169493 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 40675920 is about 6377.7676345254. The cubic root of 40675920 is about 343.9107845080.

The spelling of 40675920 in words is "forty million, six hundred seventy-five thousand, nine hundred twenty".