40125255128764 has 12 divisors (see below), whose sum is σ = 75620673127384. Its totient is φ = 18519348520944.

The previous prime is 40125255128759. The next prime is 40125255128779. The reversal of 40125255128764 is 46782155252104.

40125255128764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40125255128764² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 771639521707 = 40125255128764 / (4 + 0 + 1 + 2 + 5 + 2 + 5 + 5 + 1 + 2 + 8 + 7 + 6 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385819760802 + ... + 385819760905.

Almost surely, 2^{40125255128764} is an apocalyptic number.

It is an amenable number.

40125255128764 is a deficient number, since it is larger than the sum of its proper divisors (35495417998620).

40125255128764 is a wasteful number, since it uses less digits than its factorization.

40125255128764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771639521724 (or 771639521722 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 52.

The spelling of 40125255128764 in words is "forty trillion, one hundred twenty-five billion, two hundred fifty-five million, one hundred twenty-eight thousand, seven hundred sixty-four".