40897372 has 12 divisors (see below), whose sum is σ = 71686216. Its totient is φ = 20415600.

The previous prime is 40897361. The next prime is 40897391. The reversal of 40897372 is 27379804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5379 + ... + 10522.

Almost surely, 2^40897372 is an apocalyptic number.

It is an amenable number.

40897372 is a deficient number, since it is larger than the sum of its proper divisors (30788844).

40897372 is a wasteful number, since it uses less digits than its factorization.

40897372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16548 (or 16546 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 40897372 is about 6395.1053157864. The cubic root of 40897372 is about 344.5337733704.

The spelling of 40897372 in words is "forty million, eight hundred ninety-seven thousand, three hundred seventy-two".