845474474548 has 48 divisors (see below), whose sum is σ = 1629327825216. Its totient is φ = 380681960960.

The previous prime is 845474474513. The next prime is 845474474563.

845474474548 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×845474474548² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 845474474548.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8567415 + ... + 8665537.

It is an arithmetic number, because the mean of its divisors is an integer number (33944329692).

Almost surely, 2^845474474548 is an apocalyptic number.

It is an amenable number.

845474474548 is a deficient number, since it is larger than the sum of its proper divisors (783853350668).

845474474548 is a wasteful number, since it uses less digits than its factorization.

845474474548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99984 (or 99982 counting only the distinct ones).

The product of its digits is 321126400, while the sum is 64.

The spelling of 845474474548 in words is "eight hundred forty-five billion, four hundred seventy-four million, four hundred seventy-four thousand, five hundred forty-eight".