540155400 has 48 divisors (see below), whose sum is σ = 1674483600. Its totient is φ = 144041280.

The previous prime is 540155393. The next prime is 540155401. The reversal of 540155400 is 4551045.

It is a super-2 number, since 2×540155400² = 583535712298320000, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (540155401) 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, 449530 + ... + 450729.

It is an arithmetic number, because the mean of its divisors is an integer number (34885075).

Almost surely, 2^540155400 is an apocalyptic number.

540155400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

540155400 is an abundant number, since it is smaller than the sum of its proper divisors (1134328200).

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

540155400 is a wasteful number, since it uses less digits than its factorization.

540155400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900278 (or 900269 counting only the distinct ones).

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

The square root of 540155400 is about 23241.2435123424. The cubic root of 540155400 is about 814.4033923934.

The spelling of 540155400 in words is "five hundred forty million, one hundred fifty-five thousand, four hundred".