545001400 has 48 divisors (see below), whose sum is σ = 1271737800. Its totient is φ = 217207680.

The previous prime is 545001367. The next prime is 545001403. The reversal of 545001400 is 4100545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545001403) 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, 51786 + ... + 61414.

Almost surely, 2^545001400 is an apocalyptic number.

545001400 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 545001400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635868900).

545001400 is an abundant number, since it is smaller than the sum of its proper divisors (726736400).

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

545001400 is a wasteful number, since it uses less digits than its factorization.

545001400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9928 (or 9919 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 545001400 is about 23345.2650445438. The cubic root of 545001400 is about 816.8316164569.

Adding to 545001400 its reverse (4100545), we get a palindrome (549101945).

The spelling of 545001400 in words is "five hundred forty-five million, one thousand, four hundred".