40938079 has 16 divisors (see below), whose sum is σ = 51419200. Its totient is φ = 32387040.

The previous prime is 40938077. The next prime is 40938083. The reversal of 40938079 is 97083904.

It is not a de Polignac number, because 40938079 - 2¹ = 40938077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40938077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132 + ... + 9049.

It is an arithmetic number, because the mean of its divisors is an integer number (3213700).

Almost surely, 2^40938079 is an apocalyptic number.

40938079 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

40938079 is a deficient number, since it is larger than the sum of its proper divisors (10481121).

40938079 is an equidigital number, since it uses as much as digits as its factorization.

40938079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9215 (or 9201 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 40938079 is about 6398.2871926790. The cubic root of 40938079 is about 344.6480454697.

The spelling of 40938079 in words is "forty million, nine hundred thirty-eight thousand, seventy-nine".