540285732 has 216 divisors, whose sum is σ = 1700270208. Its totient is φ = 141419520.

The previous prime is 540285677. The next prime is 540285743. The reversal of 540285732 is 237582045.

540285732 is a `hidden beast` number, since 540 + 2 + 85 + 7 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5569908 + ... + 5570004.

Almost surely, 2^540285732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540285732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850135104).

540285732 is an abundant number, since it is smaller than the sum of its proper divisors (1159984476).

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

540285732 is a wasteful number, since it uses less digits than its factorization.

540285732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 540285732 is about 23244.0472379489. The cubic root of 540285732 is about 814.4688885371.

The spelling of 540285732 in words is "five hundred forty million, two hundred eighty-five thousand, seven hundred thirty-two".