1040172045795 has 80 divisors (see below), whose sum is σ = 1878307200000. Its totient is φ = 550694624832.

The previous prime is 1040172045779. The next prime is 1040172045797. The reversal of 1040172045795 is 5975402710401.

1040172045795 is a `hidden beast` number, since 1 + 0 + 4 + 0 + 1 + 72 + 0 + 4 + 579 + 5 = 666.

It is not a de Polignac number, because 1040172045795 - 2⁴ = 1040172045779 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1040172045795.

It is not an unprimeable number, because it can be changed into a prime (1040172045797) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 35366506 + ... + 35395904.

It is an arithmetic number, because the mean of its divisors is an integer number (23478840000).

Almost surely, 2^{1040172045795} is an apocalyptic number.

1040172045795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1040172045795 is a deficient number, since it is larger than the sum of its proper divisors (838135154205).

1040172045795 is a wasteful number, since it uses less digits than its factorization.

1040172045795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30054 (or 30045 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 1040172045795 in words is "one trillion, forty billion, one hundred seventy-two million, forty-five thousand, seven hundred ninety-five".