40981372 has 12 divisors (see below), whose sum is σ = 71816976. Its totient is φ = 20462240.

The previous prime is 40981361. The next prime is 40981387. The reversal of 40981372 is 27318904.

It is a congruent number.

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, 3688 + ... + 9775.

It is an arithmetic number, because the mean of its divisors is an integer number (5984748).

Almost surely, 2^40981372 is an apocalyptic number.

It is an amenable number.

40981372 is a deficient number, since it is larger than the sum of its proper divisors (30835604).

40981372 is a wasteful number, since it uses less digits than its factorization.

40981372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14228 (or 14226 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 40981372 is about 6401.6694697555. The cubic root of 40981372 is about 344.7694938585.

The spelling of 40981372 in words is "forty million, nine hundred eighty-one thousand, three hundred seventy-two".