40213036 has 12 divisors (see below), whose sum is σ = 70514640. Its totient is φ = 20066000.

The previous prime is 40213027. The next prime is 40213057. The reversal of 40213036 is 63031204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7840 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (5876220).

Almost surely, 2^40213036 is an apocalyptic number.

It is an amenable number.

40213036 is a deficient number, since it is larger than the sum of its proper divisors (30301604).

40213036 is a wasteful number, since it uses less digits than its factorization.

40213036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20264 (or 20262 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 40213036 is about 6341.3749297767. The cubic root of 40213036 is about 342.6012587101.

The spelling of 40213036 in words is "forty million, two hundred thirteen thousand, thirty-six".