40131624937 has 2 divisors, whose sum is σ = 40131624938. Its totient is φ = 40131624936.

The previous prime is 40131624913. The next prime is 40131624977. The reversal of 40131624937 is 73942613104.

It is an a-pointer prime, because the next prime (40131624977) can be obtained adding 40131624937 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34132193001 + 5999431936 = 184749^2 + 77456^2 .

It is a cyclic number.

It is not a de Polignac number, because 40131624937 - 2³⁵ = 5771886569 is a prime.

It is a super-2 number, since 2×40131624937² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40131624937.

It is not a weakly prime, because it can be changed into another prime (40131624977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20065812468 + 20065812469.

It is an arithmetic number, because the mean of its divisors is an integer number (20065812469).

Almost surely, 2^40131624937 is an apocalyptic number.

It is an amenable number.

40131624937 is a deficient number, since it is larger than the sum of its proper divisors (1).

40131624937 is an equidigital number, since it uses as much as digits as its factorization.

40131624937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 40131624937 in words is "forty billion, one hundred thirty-one million, six hundred twenty-four thousand, nine hundred thirty-seven".