40124718 has 24 divisors (see below), whose sum is σ = 87710688. Its totient is φ = 13255872.

The previous prime is 40124717. The next prime is 40124723. The reversal of 40124718 is 81742104.

40124718 is a `hidden beast` number, since 401 + 247 + 18 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40124691 and 40124700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40124717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7830 + ... + 11897.

It is an arithmetic number, because the mean of its divisors is an integer number (3654612).

Almost surely, 2^40124718 is an apocalyptic number.

40124718 is an abundant number, since it is smaller than the sum of its proper divisors (47585970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40124718 is a wasteful number, since it uses less digits than its factorization.

40124718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19848 (or 19845 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 40124718 is about 6334.4074703164. The cubic root of 40124718 is about 342.3502618580.

The spelling of 40124718 in words is "forty million, one hundred twenty-four thousand, seven hundred eighteen".