40255173725 has 24 divisors (see below), whose sum is σ = 53881051392. Its totient is φ = 29657822400.

The previous prime is 40255173713. The next prime is 40255173743. The reversal of 40255173725 is 52737155204.

It is a de Polignac number, because none of the positive numbers 2^k-40255173725 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 3617 + ... + 283766.

It is an arithmetic number, because the mean of its divisors is an integer number (2245043808).

Almost surely, 2^40255173725 is an apocalyptic number.

It is an amenable number.

40255173725 is a deficient number, since it is larger than the sum of its proper divisors (13625877667).

40255173725 is a wasteful number, since it uses less digits than its factorization.

40255173725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287837 (or 287832 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 40255173725 in words is "forty billion, two hundred fifty-five million, one hundred seventy-three thousand, seven hundred twenty-five".