40108587260437 has 12 divisors (see below), whose sum is σ = 41942439475020. Its totient is φ = 38351759935808.

The previous prime is 40108587260389. The next prime is 40108587260453. The reversal of 40108587260437 is 73406278580104.

It can be written as a sum of positive squares in 2 ways, for example, as 18770045018481 + 21338542241956 = 4332441^2 + 4619366^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40108587260437 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 (40108587260537) 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, 11256112 + ... + 14384617.

It is an arithmetic number, because the mean of its divisors is an integer number (3495203289585).

Almost surely, 2^{40108587260437} is an apocalyptic number.

It is an amenable number.

40108587260437 is a deficient number, since it is larger than the sum of its proper divisors (1833852214583).

40108587260437 is a wasteful number, since it uses less digits than its factorization.

40108587260437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25643732 (or 25643709 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 40108587260437 in words is "forty trillion, one hundred eight billion, five hundred eighty-seven million, two hundred sixty thousand, four hundred thirty-seven".