540605400 has 48 divisors (see below), whose sum is σ = 1675878600. Its totient is φ = 144161280.

The previous prime is 540605393. The next prime is 540605407. The reversal of 540605400 is 4506045.

540605400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (540605393) and next prime (540605407).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540605407) 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, 449905 + ... + 451104.

Almost surely, 2^540605400 is an apocalyptic number.

540605400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

540605400 is an abundant number, since it is smaller than the sum of its proper divisors (1135273200).

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

540605400 is a wasteful number, since it uses less digits than its factorization.

540605400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901028 (or 901019 counting only the distinct ones).

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

The square root of 540605400 is about 23250.9225623415. The cubic root of 540605400 is about 814.6294877001.

The spelling of 540605400 in words is "five hundred forty million, six hundred five thousand, four hundred".