540303240 has 64 divisors (see below), whose sum is σ = 1622928960. Its totient is φ = 143901440.

The previous prime is 540303233. The next prime is 540303259. The reversal of 540303240 is 42303045.

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, 114202 + ... + 118838.

It is an arithmetic number, because the mean of its divisors is an integer number (25358265).

Almost surely, 2^540303240 is an apocalyptic number.

It is an amenable number.

540303240 is an abundant number, since it is smaller than the sum of its proper divisors (1082625720).

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

540303240 is a wasteful number, since it uses less digits than its factorization.

540303240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622 (or 5618 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 540303240 is about 23244.4238474521. The cubic root of 540303240 is about 814.4776860841.

Adding to 540303240 its reverse (42303045), we get a palindrome (582606285).

The spelling of 540303240 in words is "five hundred forty million, three hundred three thousand, two hundred forty".