540440322 has 8 divisors (see below), whose sum is σ = 1080880656. Its totient is φ = 180146772.

The previous prime is 540440309. The next prime is 540440333. The reversal of 540440322 is 223044045.

It is a sphenic number, since it is the product of 3 distinct primes.

540440322 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 540440292 and 540440301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45036688 + ... + 45036699.

It is an arithmetic number, because the mean of its divisors is an integer number (135110082).

Almost surely, 2^540440322 is an apocalyptic number.

540440322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

540440322 is a wasteful number, since it uses less digits than its factorization.

540440322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90073392.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 540440322 is about 23247.3723676462. The cubic root of 540440322 is about 814.5465614741.

Adding to 540440322 its reverse (223044045), we get a palindrome (763484367).

The spelling of 540440322 in words is "five hundred forty million, four hundred forty thousand, three hundred twenty-two".