40124677 has 4 divisors (see below), whose sum is σ = 40187916. Its totient is φ = 40061440.

The previous prime is 40124621. The next prime is 40124681. The reversal of 40124677 is 77642104.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32251041 + 7873636 = 5679^2 + 2806^2 .

It is a cyclic number.

It is not a de Polignac number, because 40124677 - 2²³ = 31736069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40154677) 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, 30658 + ... + 31939.

It is an arithmetic number, because the mean of its divisors is an integer number (10046979).

Almost surely, 2^40124677 is an apocalyptic number.

It is an amenable number.

40124677 is a deficient number, since it is larger than the sum of its proper divisors (63239).

40124677 is an equidigital number, since it uses as much as digits as its factorization.

40124677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63238.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 40124677 is about 6334.4042340223. The cubic root of 40124677 is about 342.3501452519.

The spelling of 40124677 in words is "forty million, one hundred twenty-four thousand, six hundred seventy-seven".