40412678 has 8 divisors (see below), whose sum is σ = 60653880. Its totient is φ = 20194720.

The previous prime is 40412609. The next prime is 40412681. The reversal of 40412678 is 87621404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488 + ... + 9003.

It is an arithmetic number, because the mean of its divisors is an integer number (7581735).

Almost surely, 2^40412678 is an apocalyptic number.

40412678 is a deficient number, since it is larger than the sum of its proper divisors (20241202).

40412678 is a wasteful number, since it uses less digits than its factorization.

40412678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11622.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 40412678 is about 6357.0966643587. The cubic root of 40412678 is about 343.1672834732.

The spelling of 40412678 in words is "forty million, four hundred twelve thousand, six hundred seventy-eight".