540824440 has 64 divisors (see below), whose sum is σ = 1342474560. Its totient is φ = 194810880.

The previous prime is 540824387. The next prime is 540824477. The reversal of 540824440 is 44428045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8637 + ... + 34003.

It is an arithmetic number, because the mean of its divisors is an integer number (20976165).

Almost surely, 2^540824440 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 540824440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671237280).

540824440 is an abundant number, since it is smaller than the sum of its proper divisors (801650120).

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

540824440 is a wasteful number, since it uses less digits than its factorization.

540824440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25432 (or 25428 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 540824440 is about 23255.6324360358. The cubic root of 540824440 is about 814.7394954489.

The spelling of 540824440 in words is "five hundred forty million, eight hundred twenty-four thousand, four hundred forty".