40137006253873 has 4 divisors (see below), whose sum is σ = 40383245556208. Its totient is φ = 39890766951540.

The previous prime is 40137006253847. The next prime is 40137006253879. The reversal of 40137006253873 is 37835260073104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40137006253873 is a prime.

It is a super-2 number, since 2×40137006253873² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40137006253879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123119650923 + ... + 123119651248.

It is an arithmetic number, because the mean of its divisors is an integer number (10095811389052).

Almost surely, 2^{40137006253873} is an apocalyptic number.

It is an amenable number.

40137006253873 is a deficient number, since it is larger than the sum of its proper divisors (246239302335).

40137006253873 is a wasteful number, since it uses less digits than its factorization.

40137006253873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246239302334.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 40137006253873 in words is "forty trillion, one hundred thirty-seven billion, six million, two hundred fifty-three thousand, eight hundred seventy-three".