40138140162 has 16 divisors (see below), whose sum is σ = 81012761280. Its totient is φ = 13256633232.

The previous prime is 40138140149. The next prime is 40138140181. The reversal of 40138140162 is 26104183104.

It is a super-2 number, since 2×40138140162² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30685998 + ... + 30687305.

It is an arithmetic number, because the mean of its divisors is an integer number (5063297580).

Almost surely, 2^40138140162 is an apocalyptic number.

40138140162 is an abundant number, since it is smaller than the sum of its proper divisors (40874621118).

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

40138140162 is a wasteful number, since it uses less digits than its factorization.

40138140162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61373417.

The product of its (nonzero) digits is 4608, while the sum is 30.

It can be divided in two parts, 40138 and 140162, that added together give a triangular number (180300 = T₆₀₀).

The spelling of 40138140162 in words is "forty billion, one hundred thirty-eight million, one hundred forty thousand, one hundred sixty-two".