40612438 has 8 divisors (see below), whose sum is σ = 60946632. Its totient is φ = 20296896.

The previous prime is 40612423. The next prime is 40612459. The reversal of 40612438 is 83421604.

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, 4006 + ... + 9862.

It is an arithmetic number, because the mean of its divisors is an integer number (7618329).

Almost surely, 2^40612438 is an apocalyptic number.

40612438 is a deficient number, since it is larger than the sum of its proper divisors (20334194).

40612438 is a wasteful number, since it uses less digits than its factorization.

40612438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9326.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 40612438 is about 6372.7888714440. The cubic root of 40612438 is about 343.7317800591.

The spelling of 40612438 in words is "forty million, six hundred twelve thousand, four hundred thirty-eight".