40622139 has 12 divisors (see below), whose sum is σ = 58787976. Its totient is φ = 27029952.

The previous prime is 40622123. The next prime is 40622159. The reversal of 40622139 is 93122604.

40622139 is a `hidden beast` number, since 4 + 0 + 622 + 1 + 39 = 666.

It is not a de Polignac number, because 40622139 - 2⁴ = 40622123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40622119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1059 + ... + 9075.

It is an arithmetic number, because the mean of its divisors is an integer number (4898998).

Almost surely, 2^40622139 is an apocalyptic number.

40622139 is a deficient number, since it is larger than the sum of its proper divisors (18165837).

40622139 is a wasteful number, since it uses less digits than its factorization.

40622139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8586 (or 8583 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 40622139 is about 6373.5499527343. The cubic root of 40622139 is about 343.7591466877.

The spelling of 40622139 in words is "forty million, six hundred twenty-two thousand, one hundred thirty-nine".