40679964 has 36 divisors (see below), whose sum is σ = 110741176. Its totient is φ = 12516768.

The previous prime is 40679959. The next prime is 40679971. The reversal of 40679964 is 46997604.

40679964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 42994 + ... + 43929.

Almost surely, 2^40679964 is an apocalyptic number.

It is an amenable number.

40679964 is an abundant number, since it is smaller than the sum of its proper divisors (70061212).

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

40679964 is a wasteful number, since it uses less digits than its factorization.

40679964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86946 (or 86941 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 40679964 is about 6378.0846654776. The cubic root of 40679964 is about 343.9221813338.

The spelling of 40679964 in words is "forty million, six hundred seventy-nine thousand, nine hundred sixty-four".