540858840 has 64 divisors (see below), whose sum is σ = 1646818560. Its totient is φ = 142074240.

The previous prime is 540858817. The next prime is 540858847. The reversal of 540858840 is 48858045.

It is a super-2 number, since 2×540858840² = 585056569612291200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 540858792 and 540858801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540858847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25596 + ... + 41675.

It is an arithmetic number, because the mean of its divisors is an integer number (25731540).

Almost surely, 2^540858840 is an apocalyptic number.

It is an amenable number.

540858840 is an abundant number, since it is smaller than the sum of its proper divisors (1105959720).

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

540858840 is a wasteful number, since it uses less digits than its factorization.

540858840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67352 (or 67348 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 42.

The square root of 540858840 is about 23256.3720300480. The cubic root of 540858840 is about 814.7567693504.

The spelling of 540858840 in words is "five hundred forty million, eight hundred fifty-eight thousand, eight hundred forty".