8190425475072 has 72 divisors (see below), whose sum is σ = 23655452536170. Its totient is φ = 2730141818880.

The previous prime is 8190425474989. The next prime is 8190425475079. The reversal of 8190425475072 is 2705745240918.

8190425475072 is a `hidden beast` number, since 8 + 1 + 9 + 0 + 42 + 547 + 50 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8168255456256 + 22170018816 = 2858016^2 + 148896^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (8190425475079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222161079 + ... + 222197942.

Almost surely, 2^{8190425475072} is an apocalyptic number.

It is an amenable number.

8190425475072 is an abundant number, since it is smaller than the sum of its proper divisors (15465027061098).

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

8190425475072 is a wasteful number, since it uses less digits than its factorization.

8190425475072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444359049 (or 444359026 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 8190425475072 in words is "eight trillion, one hundred ninety billion, four hundred twenty-five million, four hundred seventy-five thousand, seventy-two".