540415304 has 32 divisors (see below), whose sum is σ = 1190427840. Its totient is φ = 226747200.

The previous prime is 540415297. The next prime is 540415313. The reversal of 540415304 is 403514045.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235052 + ... + 237339.

It is an arithmetic number, because the mean of its divisors is an integer number (37200870).

Almost surely, 2^540415304 is an apocalyptic number.

It is an amenable number.

540415304 is an abundant number, since it is smaller than the sum of its proper divisors (650012536).

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

540415304 is a wasteful number, since it uses less digits than its factorization.

540415304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472421 (or 472417 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 540415304 is about 23246.8342791013. The cubic root of 540415304 is about 814.5339923155.

Adding to 540415304 its reverse (403514045), we get a palindrome (943929349).

The spelling of 540415304 in words is "five hundred forty million, four hundred fifteen thousand, three hundred four".