540881280 has 256 divisors, whose sum is σ = 1939550400. Its totient is φ = 142442496.

The previous prime is 540881279. The next prime is 540881323. The reversal of 540881280 is 82188045.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1952502 + ... + 1952778.

Almost surely, 2^540881280 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 540881280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (969775200).

540881280 is an abundant number, since it is smaller than the sum of its proper divisors (1398669120).

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

540881280 is a wasteful number, since it uses less digits than its factorization.

540881280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 540881280 is about 23256.8544734665. The cubic root of 540881280 is about 814.7680371636.

The spelling of 540881280 in words is "five hundred forty million, eight hundred eighty-one thousand, two hundred eighty".