5445213621120 has 2560 divisors, whose sum is σ = 25080523776000. Its totient is φ = 1095179304960.

The previous prime is 5445213621119. The next prime is 5445213621139. The reversal of 5445213621120 is 211263125445.

5445213621120 is a `hidden beast` number, since 5 + 4 + 4 + 5 + 2 + 1 + 3 + 621 + 1 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 9090506581 + ... + 9090507179.

It is an arithmetic number, because the mean of its divisors is an integer number (9797079600).

Almost surely, 2^{5445213621120} 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 5445213621120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12540261888000).

5445213621120 is an abundant number, since it is smaller than the sum of its proper divisors (19635310154880).

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

5445213621120 is a wasteful number, since it uses less digits than its factorization.

5445213621120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 5445213621120 its reverse (211263125445), we get a palindrome (5656476746565).

The spelling of 5445213621120 in words is "five trillion, four hundred forty-five billion, two hundred thirteen million, six hundred twenty-one thousand, one hundred twenty".