40372227 has 36 divisors (see below), whose sum is σ = 69446520. Its totient is φ = 22522752.

The previous prime is 40372223. The next prime is 40372237. The reversal of 40372227 is 72227304.

It is not a de Polignac number, because 40372227 - 2² = 40372223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40372227.

It is not an unprimeable number, because it can be changed into a prime (40372223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17899 + ... + 20027.

It is an arithmetic number, because the mean of its divisors is an integer number (1929070).

Almost surely, 2^40372227 is an apocalyptic number.

40372227 is a deficient number, since it is larger than the sum of its proper divisors (29074293).

40372227 is a wasteful number, since it uses less digits than its factorization.

40372227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192 (or 2182 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 40372227 is about 6353.9143053711. The cubic root of 40372227 is about 343.0527476841.

The spelling of 40372227 in words is "forty million, three hundred seventy-two thousand, two hundred twenty-seven".