45193571780 has 48 divisors (see below), whose sum is σ = 109992266496. Its totient is φ = 15276696960.

The previous prime is 45193571713. The next prime is 45193571803. The reversal of 45193571780 is 8717539154.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2263379 + ... + 2283258.

It is an arithmetic number, because the mean of its divisors is an integer number (2291505552).

Almost surely, 2^45193571780 is an apocalyptic number.

It is an amenable number.

45193571780 is an abundant number, since it is smaller than the sum of its proper divisors (64798694716).

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

45193571780 is a wasteful number, since it uses less digits than its factorization.

45193571780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546724 (or 4546722 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 45193571780 in words is "forty-five billion, one hundred ninety-three million, five hundred seventy-one thousand, seven hundred eighty".