40879660 has 48 divisors (see below), whose sum is σ = 88550784. Its totient is φ = 15844608.

The previous prime is 40879609. The next prime is 40879673. The reversal of 40879660 is 6697804.

It is a super-2 number, since 2×40879660² = 3342293203431200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147442 + ... + 147718.

It is an arithmetic number, because the mean of its divisors is an integer number (1844808).

Almost surely, 2^40879660 is an apocalyptic number.

It is an amenable number.

40879660 is an abundant number, since it is smaller than the sum of its proper divisors (47671124).

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

40879660 is a wasteful number, since it uses less digits than its factorization.

40879660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 40879660 is about 6393.7203567250. The cubic root of 40879660 is about 344.4840288264.

The spelling of 40879660 in words is "forty million, eight hundred seventy-nine thousand, six hundred sixty".