40520942 has 24 divisors (see below), whose sum is σ = 77134680. Its totient is φ = 15786960.

The previous prime is 40520923. The next prime is 40520951. The reversal of 40520942 is 24902504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17717 + ... + 19872.

It is an arithmetic number, because the mean of its divisors is an integer number (3213945).

Almost surely, 2^40520942 is an apocalyptic number.

40520942 is a deficient number, since it is larger than the sum of its proper divisors (36613738).

40520942 is a wasteful number, since it uses less digits than its factorization.

40520942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37616 (or 37609 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 40520942 is about 6365.6061769481. The cubic root of 40520942 is about 343.4734541855.

The spelling of 40520942 in words is "forty million, five hundred twenty thousand, nine hundred forty-two".