40166254780072 has 32 divisors (see below), whose sum is σ = 79766358621120. Its totient is φ = 18895952608000.

The previous prime is 40166254780061. The next prime is 40166254780111. The reversal of 40166254780072 is 27008745266104.

It is a super-2 number, since 2×40166254780072² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44980828 + ... + 45865099.

It is an arithmetic number, because the mean of its divisors is an integer number (2492698706910).

Almost surely, 2^{40166254780072} is an apocalyptic number.

It is an amenable number.

40166254780072 is a deficient number, since it is larger than the sum of its proper divisors (39600103841048).

40166254780072 is a wasteful number, since it uses less digits than its factorization.

40166254780072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90849201 (or 90849197 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 40166254780072 in words is "forty trillion, one hundred sixty-six billion, two hundred fifty-four million, seven hundred eighty thousand, seventy-two".