545355045400 has 96 divisors (see below), whose sum is σ = 1383548166000. Its totient is φ = 198263692800.

The previous prime is 545355045379. The next prime is 545355045463. The reversal of 545355045400 is 4540553545.

It is a super-2 number, since 2×545355045400² (a number of 24 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9980554 + ... + 10035046.

Almost surely, 2^545355045400 is an apocalyptic number.

545355045400 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 545355045400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691774083000).

545355045400 is an abundant number, since it is smaller than the sum of its proper divisors (838193120600).

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

545355045400 is a wasteful number, since it uses less digits than its factorization.

545355045400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59069 (or 59060 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 40.

Adding to 545355045400 its reverse (4540553545), we get a palindrome (549895598945).

The spelling of 545355045400 in words is "five hundred forty-five billion, three hundred fifty-five million, forty-five thousand, four hundred".