40191228162 has 90 divisors (see below), whose sum is σ = 95162283513. Its totient is φ = 12676656816.

The previous prime is 40191228157. The next prime is 40191228167. The reversal of 40191228162 is 26182219104.

40191228162 is a `hidden beast` number, since 401 + 91 + 2 + 2 + 8 + 162 = 666.

It is an interprime number because it is at equal distance from previous prime (40191228157) and next prime (40191228167).

It can be written as a sum of positive squares in 2 ways, for example, as 39959610201 + 231617961 = 199899^2 + 15219^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=141759.

It is not an unprimeable number, because it can be changed into a prime (40191228167) 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 44 ways as a sum of consecutive naturals, for example, 48481164 + ... + 48481992.

Almost surely, 2^40191228162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40191228162

40191228162 is an abundant number, since it is smaller than the sum of its proper divisors (54971055351).

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

40191228162 is an frugal number, since it uses more digits than its factorization.

40191228162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 40191228162 in words is "forty billion, one hundred ninety-one million, two hundred twenty-eight thousand, one hundred sixty-two".