5485645938432 has 144 divisors (see below), whose sum is σ = 15946733013120. Its totient is φ = 1660265164800.

The previous prime is 5485645938419. The next prime is 5485645938463. The reversal of 5485645938432 is 2348395465845.

It is a super-2 number, since 2×5485645938432² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 6450994 + ... + 7251662.

It is an arithmetic number, because the mean of its divisors is an integer number (110741201480).

Almost surely, 2^{5485645938432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5485645938432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7973366506560).

5485645938432 is an abundant number, since it is smaller than the sum of its proper divisors (10461087074688).

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

5485645938432 is a wasteful number, since it uses less digits than its factorization.

5485645938432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801510 (or 801496 counting only the distinct ones).

The product of its digits is 497664000, while the sum is 66.

The spelling of 5485645938432 in words is "five trillion, four hundred eighty-five billion, six hundred forty-five million, nine hundred thirty-eight thousand, four hundred thirty-two".