45344512121320 has 64 divisors (see below), whose sum is σ = 102451139850240. Its totient is φ = 18062221516800.

The previous prime is 45344512121309. The next prime is 45344512121323. The reversal of 45344512121320 is 2312121544354.

It is a super-2 number, since 2×45344512121320² (a number of 28 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 45344512121320.

It is not an unprimeable number, because it can be changed into a prime (45344512121323) 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, 7511365 + ... + 12128875.

It is an arithmetic number, because the mean of its divisors is an integer number (1600799060160).

Almost surely, 2^{45344512121320} is an apocalyptic number.

45344512121320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45344512121320 is an abundant number, since it is smaller than the sum of its proper divisors (57106627728920).

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

45344512121320 is a wasteful number, since it uses less digits than its factorization.

45344512121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4618546 (or 4618542 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 45344512121320 its reverse (2312121544354), we get a palindrome (47656633665674).

The spelling of 45344512121320 in words is "forty-five trillion, three hundred forty-four billion, five hundred twelve million, one hundred twenty-one thousand, three hundred twenty".