541220660 has 24 divisors (see below), whose sum is σ = 1145518080. Its totient is φ = 214782624.

The previous prime is 541220657. The next prime is 541220671. The reversal of 541220660 is 66022145.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104000 + ... + 109079.

It is an arithmetic number, because the mean of its divisors is an integer number (47729920).

Almost surely, 2^541220660 is an apocalyptic number.

It is an amenable number.

541220660 is an abundant number, since it is smaller than the sum of its proper divisors (604297420).

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

541220660 is a wasteful number, since it uses less digits than its factorization.

541220660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213215 (or 213213 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 541220660 is about 23264.1496728335. The cubic root of 541220660 is about 814.9384122982.

The spelling of 541220660 in words is "five hundred forty-one million, two hundred twenty thousand, six hundred sixty".