545436400 has 60 divisors (see below), whose sum is σ = 1313095024. Its totient is φ = 217728000.

The previous prime is 545436391. The next prime is 545436427. The reversal of 545436400 is 4634545.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251320 + ... + 253480.

Almost surely, 2^545436400 is an apocalyptic number.

545436400 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 545436400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656547512).

545436400 is an abundant number, since it is smaller than the sum of its proper divisors (767658624).

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

545436400 is a wasteful number, since it uses less digits than its factorization.

545436400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810 (or 2799 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 545436400 is about 23354.5798506417. The cubic root of 545436400 is about 817.0488802781.

The spelling of 545436400 in words is "five hundred forty-five million, four hundred thirty-six thousand, four hundred".