40156370771 has 4 divisors (see below), whose sum is σ = 43806949944. Its totient is φ = 36505791600.

The previous prime is 40156370759. The next prime is 40156370773. The reversal of 40156370771 is 17707365104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40156370771 is a prime.

It is a super-2 number, since 2×40156370771² (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 (40156370773) 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 3 ways as a sum of consecutive naturals, for example, 1825289570 + ... + 1825289591.

It is an arithmetic number, because the mean of its divisors is an integer number (10951737486).

Almost surely, 2^40156370771 is an apocalyptic number.

40156370771 is a deficient number, since it is larger than the sum of its proper divisors (3650579173).

40156370771 is a wasteful number, since it uses less digits than its factorization.

40156370771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650579172.

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 40156370771 in words is "forty billion, one hundred fifty-six million, three hundred seventy thousand, seven hundred seventy-one".