40124927 has 4 divisors (see below), whose sum is σ = 40137840. Its totient is φ = 40112016.

The previous prime is 40124921. The next prime is 40124957. The reversal of 40124927 is 72942104.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40124927 - 2⁶ = 40124863 is a prime.

It is a super-2 number, since 2×40124927² = 3220019533510658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40124927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40124921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358 + ... + 9060.

It is an arithmetic number, because the mean of its divisors is an integer number (10034460).

Almost surely, 2^40124927 is an apocalyptic number.

40124927 is a deficient number, since it is larger than the sum of its proper divisors (12913).

40124927 is an equidigital number, since it uses as much as digits as its factorization.

40124927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12912.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 40124927 is about 6334.4239674970. The cubic root of 40124927 is about 342.3508562637.

The spelling of 40124927 in words is "forty million, one hundred twenty-four thousand, nine hundred twenty-seven".