40607638 has 8 divisors (see below), whose sum is σ = 61011720. Its totient is φ = 20270400.

The previous prime is 40607629. The next prime is 40607641. The reversal of 40607638 is 83670604.

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, 15163 + ... + 17638.

It is an arithmetic number, because the mean of its divisors is an integer number (7626465).

Almost surely, 2^40607638 is an apocalyptic number.

40607638 is a deficient number, since it is larger than the sum of its proper divisors (20404082).

40607638 is a wasteful number, since it uses less digits than its factorization.

40607638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33422.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 40607638 is about 6372.4122591057. The cubic root of 40607638 is about 343.7182375942.

The spelling of 40607638 in words is "forty million, six hundred seven thousand, six hundred thirty-eight".