40142265188 has 6 divisors (see below), whose sum is σ = 70248964086. Its totient is φ = 20071132592.

The previous prime is 40142265169. The next prime is 40142265197. The reversal of 40142265188 is 88156224104.

It can be written as a sum of positive squares in only one way, i.e., 37375715584 + 2766549604 = 193328^2 + 52598^2 .

It is a super-2 number, since 2×40142265188² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5017783145 + ... + 5017783152.

It is an arithmetic number, because the mean of its divisors is an integer number (11708160681).

Almost surely, 2^40142265188 is an apocalyptic number.

It is an amenable number.

40142265188 is a deficient number, since it is larger than the sum of its proper divisors (30106698898).

40142265188 is a wasteful number, since it uses less digits than its factorization.

40142265188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10035566301 (or 10035566299 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 40142265188 in words is "forty billion, one hundred forty-two million, two hundred sixty-five thousand, one hundred eighty-eight".