40017274755172 has 96 divisors (see below), whose sum is σ = 87222587526144. Its totient is φ = 15809679014400.

The previous prime is 40017274755121. The next prime is 40017274755179. The reversal of 40017274755172 is 27155747271004.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (40017274755179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29840983 + ... + 31153150.

It is an arithmetic number, because the mean of its divisors is an integer number (908568620064).

Almost surely, 2^{40017274755172} is an apocalyptic number.

It is an amenable number.

40017274755172 is an abundant number, since it is smaller than the sum of its proper divisors (47205312770972).

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

40017274755172 is a wasteful number, since it uses less digits than its factorization.

40017274755172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60994229 (or 60994227 counting only the distinct ones).

The product of its (nonzero) digits is 3841600, while the sum is 52.

The spelling of 40017274755172 in words is "forty trillion, seventeen billion, two hundred seventy-four million, seven hundred fifty-five thousand, one hundred seventy-two".