40597166066220 has 36 divisors (see below), whose sum is σ = 123144737068080. Its totient is φ = 10825910950944.

The previous prime is 40597166066173. The next prime is 40597166066251. The reversal of 40597166066220 is 2266066179504.

40597166066220 is a `hidden beast` number, since 4 + 0 + 5 + 9 + 7 + 1 + 6 + 6 + 0 + 6 + 622 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112769905560 + ... + 112769905919.

It is an arithmetic number, because the mean of its divisors is an integer number (3420687140780).

Almost surely, 2^{40597166066220} is an apocalyptic number.

It is an amenable number.

40597166066220 is an abundant number, since it is smaller than the sum of its proper divisors (82547571001860).

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

40597166066220 is a wasteful number, since it uses less digits than its factorization.

40597166066220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225539811494 (or 225539811489 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 40597166066220 in words is "forty trillion, five hundred ninety-seven billion, one hundred sixty-six million, sixty-six thousand, two hundred twenty".