4445520111400 has 48 divisors (see below), whose sum is σ = 10615181148540. Its totient is φ = 1730148364800.

The previous prime is 4445520111341. The next prime is 4445520111401. The reversal of 4445520111400 is 41110255444.

It can be written as a sum of positive squares in 6 ways, for example, as 2613195105444 + 1832325005956 = 1616538^2 + 1353634^2 .

It is not an unprimeable number, because it can be changed into a prime (4445520111401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300365581 + ... + 300380380.

Almost surely, 2^{4445520111400} is an apocalyptic number.

4445520111400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4445520111400 is an abundant number, since it is smaller than the sum of its proper divisors (6169661037140).

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

4445520111400 is a wasteful number, since it uses less digits than its factorization.

4445520111400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600746014 (or 600746005 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 4445520111400 its reverse (41110255444), we get a palindrome (4486630366844).

The spelling of 4445520111400 in words is "four trillion, four hundred forty-five billion, five hundred twenty million, one hundred eleven thousand, four hundred".