40918972 has 12 divisors (see below), whose sum is σ = 73273816. Its totient is φ = 19983600.

The previous prime is 40918963. The next prime is 40918973. The reversal of 40918972 is 27981904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40918973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118779 + ... + 119122.

Almost surely, 2^40918972 is an apocalyptic number.

It is an amenable number.

40918972 is a deficient number, since it is larger than the sum of its proper divisors (32354844).

40918972 is a wasteful number, since it uses less digits than its factorization.

40918972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237948 (or 237946 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 40918972 is about 6396.7938844393. The cubic root of 40918972 is about 344.5944180147.

The spelling of 40918972 in words is "forty million, nine hundred eighteen thousand, nine hundred seventy-two".