40979427 has 16 divisors (see below), whose sum is σ = 57047040. Its totient is φ = 26136000.

The previous prime is 40979413. The next prime is 40979429. The reversal of 40979427 is 72497904.

It is not a de Polignac number, because 40979427 - 2⁸ = 40979171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40979429) 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, 5802 + ... + 10752.

It is an arithmetic number, because the mean of its divisors is an integer number (3565440).

Almost surely, 2^40979427 is an apocalyptic number.

40979427 is a deficient number, since it is larger than the sum of its proper divisors (16067613).

40979427 is a wasteful number, since it uses less digits than its factorization.

40979427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 40979427 is about 6401.5175544553. The cubic root of 40979427 is about 344.7640394512.

The spelling of 40979427 in words is "forty million, nine hundred seventy-nine thousand, four hundred twenty-seven".