540334440 has 48 divisors (see below), whose sum is σ = 1756088100. Its totient is φ = 144089088.

The previous prime is 540334391. The next prime is 540334441. The reversal of 540334440 is 44433045.

It can be written as a sum of positive squares in 2 ways, for example, as 539447076 + 887364 = 23226^2 + 942^2 .

It is a super-2 number, since 2×540334440² = 583922614100227200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (540334441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 750105 + ... + 750824.

Almost surely, 2^540334440 is an apocalyptic number.

It is an amenable number.

540334440 is an abundant number, since it is smaller than the sum of its proper divisors (1215753660).

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

540334440 is a wasteful number, since it uses less digits than its factorization.

540334440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500946 (or 1500939 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 540334440 is about 23245.0949664655. The cubic root of 540334440 is about 814.4933632155.

Adding to 540334440 its reverse (44433045), we get a palindrome (584767485).

The spelling of 540334440 in words is "five hundred forty million, three hundred thirty-four thousand, four hundred forty".