40202940 has 24 divisors (see below), whose sum is σ = 112568400. Its totient is φ = 10720768.

The previous prime is 40202927. The next prime is 40202941. The reversal of 40202940 is 4920204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40202941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334965 + ... + 335084.

It is an arithmetic number, because the mean of its divisors is an integer number (4690350).

Almost surely, 2^40202940 is an apocalyptic number.

It is an amenable number.

40202940 is an abundant number, since it is smaller than the sum of its proper divisors (72365460).

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

40202940 is a wasteful number, since it uses less digits than its factorization.

40202940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670061 (or 670059 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 40202940 is about 6340.5788379295. The cubic root of 40202940 is about 342.5725848258.

The spelling of 40202940 in words is "forty million, two hundred two thousand, nine hundred forty".