40879000 has 32 divisors (see below), whose sum is σ = 95659200. Its totient is φ = 16351200.

The previous prime is 40878997. The next prime is 40879021. The reversal of 40879000 is 97804.

It is a self number, because there is not a number n which added to its sum of digits gives 40879000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19440 + ... + 21439.

It is an arithmetic number, because the mean of its divisors is an integer number (2989350).

Almost surely, 2^40879000 is an apocalyptic number.

40879000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40879000 is an abundant number, since it is smaller than the sum of its proper divisors (54780200).

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

40879000 is a wasteful number, since it uses less digits than its factorization.

40879000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40900 (or 40886 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 40879000 is about 6393.6687433742. The cubic root of 40879000 is about 344.4821749242.

The spelling of 40879000 in words is "forty million, eight hundred seventy-nine thousand".