540636443500 has 48 divisors (see below), whose sum is σ = 1181187221760. Its totient is φ = 216174499200.

The previous prime is 540636443497. The next prime is 540636443591. The reversal of 540636443500 is 5344636045.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1160664 + ... + 1558336.

It is an arithmetic number, because the mean of its divisors is an integer number (24608067120).

Almost surely, 2^540636443500 is an apocalyptic number.

540636443500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

540636443500 is an abundant number, since it is smaller than the sum of its proper divisors (640550778260).

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

540636443500 is a wasteful number, since it uses less digits than its factorization.

540636443500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400411 (or 400399 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 540636443500 in words is "five hundred forty billion, six hundred thirty-six million, four hundred forty-three thousand, five hundred".