40101987162 has 32 divisors (see below), whose sum is σ = 80760783168. Its totient is φ = 13274706816.

The previous prime is 40101987161. The next prime is 40101987169. The reversal of 40101987162 is 26178910104.

It is a self number, because there is not a number n which added to its sum of digits gives 40101987162.

It is not an unprimeable number, because it can be changed into a prime (40101987161) 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 15 ways as a sum of consecutive naturals, for example, 894678 + ... + 938430.

It is an arithmetic number, because the mean of its divisors is an integer number (2523774474).

Almost surely, 2^40101987162 is an apocalyptic number.

40101987162 is an abundant number, since it is smaller than the sum of its proper divisors (40658796006).

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

40101987162 is a wasteful number, since it uses less digits than its factorization.

40101987162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44814.

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 40101987162 in words is "forty billion, one hundred one million, nine hundred eighty-seven thousand, one hundred sixty-two".