40412128 has 24 divisors (see below), whose sum is σ = 84242592. Its totient is φ = 19017216.

The previous prime is 40412093. The next prime is 40412137. The reversal of 40412128 is 82121404.

It is a junction number, because it is equal to n+sod(n) for n = 40412099 and 40412108.

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, 36600 + ... + 37687.

It is an arithmetic number, because the mean of its divisors is an integer number (3510108).

Almost surely, 2^40412128 is an apocalyptic number.

It is an amenable number.

40412128 is an abundant number, since it is smaller than the sum of its proper divisors (43830464).

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

40412128 is a wasteful number, since it uses less digits than its factorization.

40412128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74314 (or 74306 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 40412128 is about 6357.0534054702. The cubic root of 40412128 is about 343.1657266774.

The spelling of 40412128 in words is "forty million, four hundred twelve thousand, one hundred twenty-eight".