40667372 has 18 divisors (see below), whose sum is σ = 75113388. Its totient is φ = 19262808.

The previous prime is 40667357. The next prime is 40667399. The reversal of 40667372 is 27376604.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12638 + ... + 15525.

It is an arithmetic number, because the mean of its divisors is an integer number (4172966).

Almost surely, 2^40667372 is an apocalyptic number.

It is an amenable number.

40667372 is a deficient number, since it is larger than the sum of its proper divisors (34446016).

40667372 is a wasteful number, since it uses less digits than its factorization.

40667372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28205 (or 28184 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 40667372 is about 6377.0974588758. The cubic root of 40667372 is about 343.8866919954.

The spelling of 40667372 in words is "forty million, six hundred sixty-seven thousand, three hundred seventy-two".