540002100 has 72 divisors (see below), whose sum is σ = 1704453408. Its totient is φ = 130908800.

The previous prime is 540002083. The next prime is 540002147. The reversal of 540002100 is 1200045.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 78519 + ... + 85118.

It is an arithmetic number, because the mean of its divisors is an integer number (23672964).

Almost surely, 2^540002100 is an apocalyptic number.

540002100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

540002100 is an abundant number, since it is smaller than the sum of its proper divisors (1164451308).

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

540002100 is a wasteful number, since it uses less digits than its factorization.

540002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163665 (or 163658 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 540002100 is about 23237.9452620063. The cubic root of 540002100 is about 814.3263405840.

Adding to 540002100 its reverse (1200045), we get a palindrome (541202145).

The spelling of 540002100 in words is "five hundred forty million, two thousand, one hundred".