40045676 has 72 divisors (see below), whose sum is σ = 84728448. Its totient is φ = 16473600.

The previous prime is 40045669. The next prime is 40045697. The reversal of 40045676 is 67654004.

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 23 ways as a sum of consecutive naturals, for example, 254990 + ... + 255146.

It is an arithmetic number, because the mean of its divisors is an integer number (1176784).

Almost surely, 2^40045676 is an apocalyptic number.

It is an amenable number.

40045676 is an abundant number, since it is smaller than the sum of its proper divisors (44682772).

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

40045676 is a wasteful number, since it uses less digits than its factorization.

40045676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 40045676 is about 6328.1652949334. The cubic root of 40045676 is about 342.1253145868.

The spelling of 40045676 in words is "forty million, forty-five thousand, six hundred seventy-six".