40255173712 has 40 divisors (see below), whose sum is σ = 87645890304. Its totient is φ = 17771512704.

The previous prime is 40255173691. The next prime is 40255173713. The reversal of 40255173712 is 21737155204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40255173713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4202488 + ... + 4212055.

Almost surely, 2^40255173712 is an apocalyptic number.

It is an amenable number.

40255173712 is an abundant number, since it is smaller than the sum of its proper divisors (47390716592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40255173712 is a wasteful number, since it uses less digits than its factorization.

40255173712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414587 (or 8414581 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 40255173712 in words is "forty billion, two hundred fifty-five million, one hundred seventy-three thousand, seven hundred twelve".