40392136 has 32 divisors (see below), whose sum is σ = 82067040. Its totient is φ = 18563328.

The previous prime is 40392133. The next prime is 40392137. The reversal of 40392136 is 63129304.

It is not an unprimeable number, because it can be changed into a prime (40392133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2395 + ... + 9301.

It is an arithmetic number, because the mean of its divisors is an integer number (2564595).

Almost surely, 2^40392136 is an apocalyptic number.

It is an amenable number.

40392136 is an abundant number, since it is smaller than the sum of its proper divisors (41674904).

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

40392136 is a wasteful number, since it uses less digits than its factorization.

40392136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6973 (or 6969 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 40392136 is about 6355.4807843310. The cubic root of 40392136 is about 343.1091289746.

The spelling of 40392136 in words is "forty million, three hundred ninety-two thousand, one hundred thirty-six".