40712038 has 4 divisors (see below), whose sum is σ = 61068060. Its totient is φ = 20356018.

The previous prime is 40712033. The next prime is 40712051. The reversal of 40712038 is 83021704.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×40712038² = 3314940076226888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40712033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10178008 + ... + 10178011.

It is an arithmetic number, because the mean of its divisors is an integer number (15267015).

Almost surely, 2^40712038 is an apocalyptic number.

40712038 is a deficient number, since it is larger than the sum of its proper divisors (20356022).

40712038 is a wasteful number, since it uses less digits than its factorization.

40712038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20356021.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 40712038 is about 6380.5985612637. The cubic root of 40712038 is about 344.0125457386.

The spelling of 40712038 in words is "forty million, seven hundred twelve thousand, thirty-eight".