541156220 has 24 divisors (see below), whose sum is σ = 1239740208. Its totient is φ = 196784000.

The previous prime is 541156207. The next prime is 541156237. The reversal of 541156220 is 22651145.

It is a self number, because there is not a number n which added to its sum of digits gives 541156220.

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, 1229681 + ... + 1230120.

It is an arithmetic number, because the mean of its divisors is an integer number (51655842).

Almost surely, 2^541156220 is an apocalyptic number.

It is an amenable number.

541156220 is an abundant number, since it is smaller than the sum of its proper divisors (698583988).

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

541156220 is a wasteful number, since it uses less digits than its factorization.

541156220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459821 (or 2459819 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 541156220 is about 23262.7646680269. The cubic root of 541156220 is about 814.9060676869.

The spelling of 541156220 in words is "five hundred forty-one million, one hundred fifty-six thousand, two hundred twenty".