540005436 has 18 divisors (see below), whose sum is σ = 1365013832. Its totient is φ = 180001800.

The previous prime is 540005429. The next prime is 540005507. The reversal of 540005436 is 634500045.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7500040 + ... + 7500111.

Almost surely, 2^540005436 is an apocalyptic number.

It is an amenable number.

540005436 is an abundant number, since it is smaller than the sum of its proper divisors (825008396).

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

540005436 is a wasteful number, since it uses less digits than its factorization.

540005436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15000161 (or 15000156 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 540005436 is about 23238.0170410472. The cubic root of 540005436 is about 814.3280174830.

The spelling of 540005436 in words is "five hundred forty million, five thousand, four hundred thirty-six".