540769328 has 80 divisors (see below), whose sum is σ = 1172722560. Its totient is φ = 241496640.

The previous prime is 540769309. The next prime is 540769343. The reversal of 540769328 is 823967045.

It is a super-2 number, since 2×540769328² = 584862932211143168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 1426643 + ... + 1427021.

It is an arithmetic number, because the mean of its divisors is an integer number (14659032).

Almost surely, 2^540769328 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 540769328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586361280).

540769328 is an abundant number, since it is smaller than the sum of its proper divisors (631953232).

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

540769328 is a wasteful number, since it uses less digits than its factorization.

540769328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 540769328 is about 23254.4474885988. The cubic root of 540769328 is about 814.7118195248.

The spelling of 540769328 in words is "five hundred forty million, seven hundred sixty-nine thousand, three hundred twenty-eight".