40130786737 has 4 divisors (see below), whose sum is σ = 40136045040. Its totient is φ = 40125528436.

The previous prime is 40130786723. The next prime is 40130786741. The reversal of 40130786737 is 73768703104.

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-40130786737 is a prime.

It is a super-2 number, since 2×40130786737² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40130786777) 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, 2617687 + ... + 2632972.

It is an arithmetic number, because the mean of its divisors is an integer number (10034011260).

Almost surely, 2^40130786737 is an apocalyptic number.

It is an amenable number.

40130786737 is a deficient number, since it is larger than the sum of its proper divisors (5258303).

40130786737 is an equidigital number, since it uses as much as digits as its factorization.

40130786737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5258302.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 40130786737 in words is "forty billion, one hundred thirty million, seven hundred eighty-six thousand, seven hundred thirty-seven".