40125456315 has 24 divisors (see below), whose sum is σ = 79486618848. Its totient is φ = 18343065600.

The previous prime is 40125456289. The next prime is 40125456317. The reversal of 40125456315 is 51365452104.

40125456315 is a `hidden beast` number, since 4 + 0 + 12 + 5 + 4 + 5 + 631 + 5 = 666.

It is not a de Polignac number, because 40125456315 - 2⁶ = 40125456251 is a prime.

It is a super-2 number, since 2×40125456315² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40125456315.

It is not an unprimeable number, because it can be changed into a prime (40125456317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63690886 + ... + 63691515.

It is an arithmetic number, because the mean of its divisors is an integer number (3311942452).

Almost surely, 2^40125456315 is an apocalyptic number.

40125456315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40125456315 is a deficient number, since it is larger than the sum of its proper divisors (39361162533).

40125456315 is a wasteful number, since it uses less digits than its factorization.

40125456315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127382419 (or 127382416 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 40125456315 in words is "forty billion, one hundred twenty-five million, four hundred fifty-six thousand, three hundred fifteen".