40143861156 has 48 divisors (see below), whose sum is σ = 107070903296. Its totient is φ = 11467466784.

The previous prime is 40143861151. The next prime is 40143861157. The reversal of 40143861156 is 65116834104.

It is a super-2 number, since 2×40143861156² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40143861151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421035 + ... + 507501.

Almost surely, 2^40143861156 is an apocalyptic number.

It is an amenable number.

40143861156 is an abundant number, since it is smaller than the sum of its proper divisors (66927042140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40143861156 is a wasteful number, since it uses less digits than its factorization.

40143861156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92008 (or 92006 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 40143861156 in words is "forty billion, one hundred forty-three million, eight hundred sixty-one thousand, one hundred fifty-six".