45454856856 has 64 divisors (see below), whose sum is σ = 115565598720. Its totient is φ = 14895832320.

The previous prime is 45454856827. The next prime is 45454856857. The reversal of 45454856856 is 65865845454.

It is a super-2 number, since 2×45454856856² (a number of 22 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 45454856856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45454856857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503161 + ... + 586583.

It is an arithmetic number, because the mean of its divisors is an integer number (1805712480).

Almost surely, 2^45454856856 is an apocalyptic number.

It is an amenable number.

45454856856 is an abundant number, since it is smaller than the sum of its proper divisors (70110741864).

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

45454856856 is a wasteful number, since it uses less digits than its factorization.

45454856856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83816 (or 83812 counting only the distinct ones).

The product of its digits is 92160000, while the sum is 60.

The spelling of 45454856856 in words is "forty-five billion, four hundred fifty-four million, eight hundred fifty-six thousand, eight hundred fifty-six".