40623372 has 18 divisors (see below), whose sum is σ = 102686948. Its totient is φ = 13541112.

The previous prime is 40623371. The next prime is 40623383. The reversal of 40623372 is 27332604.

40623372 is a `hidden beast` number, since 4 + 0 + 623 + 37 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (40623371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 564178 + ... + 564249.

Almost surely, 2^40623372 is an apocalyptic number.

It is an amenable number.

40623372 is an abundant number, since it is smaller than the sum of its proper divisors (62063576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40623372 is a wasteful number, since it uses less digits than its factorization.

40623372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128437 (or 1128432 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 40623372 is about 6373.6466798843. The cubic root of 40623372 is about 343.7626246823.

Adding to 40623372 its reverse (27332604), we get a palindrome (67955976).

The spelling of 40623372 in words is "forty million, six hundred twenty-three thousand, three hundred seventy-two".