40913039637 has 6 divisors (see below), whose sum is σ = 59096612822. Its totient is φ = 27275359752.

The previous prime is 40913039627. The next prime is 40913039683. The reversal of 40913039637 is 73693031904.

It is a happy number.

40913039637 is a `hidden beast` number, since 4 + 0 + 9 + 1 + 3 + 0 + 3 + 9 + 637 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24099768081 + 16813271556 = 155241^2 + 129666^2 .

It is not a de Polignac number, because 40913039637 - 2⁴ = 40913039621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40913039592 and 40913039601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40913039627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2272946638 + ... + 2272946655.

Almost surely, 2^40913039637 is an apocalyptic number.

It is an amenable number.

40913039637 is a deficient number, since it is larger than the sum of its proper divisors (18183573185).

40913039637 is a wasteful number, since it uses less digits than its factorization.

40913039637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545893299 (or 4545893296 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 45.

The spelling of 40913039637 in words is "forty billion, nine hundred thirteen million, thirty-nine thousand, six hundred thirty-seven".