545514444400 has 60 divisors (see below), whose sum is σ = 1320603147864. Its totient is φ = 216540064000.

The previous prime is 545514444379. The next prime is 545514444407. The reversal of 545514444400 is 4444415545.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545514444407) 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, 5152891 + ... + 5257690.

Almost surely, 2^545514444400 is an apocalyptic number.

545514444400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

545514444400 is an abundant number, since it is smaller than the sum of its proper divisors (775088703464).

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

545514444400 is a wasteful number, since it uses less digits than its factorization.

545514444400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10410730 (or 10410719 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 40.

Adding to 545514444400 its reverse (4444415545), we get a palindrome (549958859945).

The spelling of 545514444400 in words is "five hundred forty-five billion, five hundred fourteen million, four hundred forty-four thousand, four hundred".