540551400 has 96 divisors (see below), whose sum is σ = 1699444800. Its totient is φ = 142105600.

The previous prime is 540551393. The next prime is 540551413. The reversal of 540551400 is 4155045.

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 23 ways as a sum of consecutive naturals, for example, 36256 + ... + 48944.

It is an arithmetic number, because the mean of its divisors is an integer number (17702550).

Almost surely, 2^540551400 is an apocalyptic number.

540551400 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 540551400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849722400).

540551400 is an abundant number, since it is smaller than the sum of its proper divisors (1158893400).

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

540551400 is a wasteful number, since it uses less digits than its factorization.

540551400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12779 (or 12770 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 540551400 is about 23249.7612890971. The cubic root of 540551400 is about 814.6023628896.

It can be divided in two parts, 54055 and 1400, that added together give a palindrome (55455).

The spelling of 540551400 in words is "five hundred forty million, five hundred fifty-one thousand, four hundred".