545003012400 has 960 divisors, whose sum is σ = 2242272485376. Its totient is φ = 109863936000.

The previous prime is 545003012363. The next prime is 545003012537. The reversal of 545003012400 is 4210300545.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 996348927 + ... + 996349473.

Almost surely, 2^545003012400 is an apocalyptic number.

545003012400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545003012400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121136242688).

545003012400 is an abundant number, since it is smaller than the sum of its proper divisors (1697269472976).

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

545003012400 is a wasteful number, since it uses less digits than its factorization.

545003012400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 545003012400 its reverse (4210300545), we get a palindrome (549213312945).

The spelling of 545003012400 in words is "five hundred forty-five billion, three million, twelve thousand, four hundred".