40142255534165 has 8 divisors (see below), whose sum is σ = 48170760577848. Its totient is φ = 32113768469440.

The previous prime is 40142255534159. The next prime is 40142255534219. The reversal of 40142255534165 is 56143555224104.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4691651304484 + 35450604229681 = 2166022^2 + 5954041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40142255534165 - 2³⁸ = 39867377627221 is a prime.

It is a super-2 number, since 2×40142255534165² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 1035959 + ... + 9019851.

It is an arithmetic number, because the mean of its divisors is an integer number (6021345072231).

Almost surely, 2^{40142255534165} is an apocalyptic number.

It is an amenable number.

40142255534165 is a deficient number, since it is larger than the sum of its proper divisors (8028505043683).

40142255534165 is a wasteful number, since it uses less digits than its factorization.

40142255534165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8989479.

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 40142255534165 in words is "forty trillion, one hundred forty-two billion, two hundred fifty-five million, five hundred thirty-four thousand, one hundred sixty-five".