550250324400 has 120 divisors (see below), whose sum is σ = 2014440265984. Its totient is φ = 125771500800.

The previous prime is 550250324369. The next prime is 550250324401. The reversal of 550250324400 is 4423052055.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (550250324401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32744596 + ... + 32761395.

Almost surely, 2^550250324400 is an apocalyptic number.

550250324400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550250324400 is an abundant number, since it is smaller than the sum of its proper divisors (1464189941584).

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

550250324400 is a wasteful number, since it uses less digits than its factorization.

550250324400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65506019 (or 65506008 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

Adding to 550250324400 its reverse (4423052055), we get a palindrome (554673376455).

The spelling of 550250324400 in words is "five hundred fifty billion, two hundred fifty million, three hundred twenty-four thousand, four hundred".