40156519140 has 72 divisors (see below), whose sum is σ = 121840555200. Its totient is φ = 10705552704.

The previous prime is 40156519103. The next prime is 40156519181. The reversal of 40156519140 is 4191565104.

40156519140 is a `hidden beast` number, since 4 + 0 + 1 + 565 + 1 + 91 + 4 + 0 = 666.

40156519140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40156519140² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40156519095 and 40156519104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 697161 + ... + 752559.

Almost surely, 2^40156519140 is an apocalyptic number.

It is an amenable number.

40156519140 is an abundant number, since it is smaller than the sum of its proper divisors (81684036060).

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

40156519140 is a wasteful number, since it uses less digits than its factorization.

40156519140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59441 (or 59436 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 40156519140 in words is "forty billion, one hundred fifty-six million, five hundred nineteen thousand, one hundred forty".