1860411220 has 24 divisors (see below), whose sum is σ = 4112488800. Its totient is φ = 704997792.

The previous prime is 1860411197. The next prime is 1860411227. The reversal of 1860411220 is 221140681.

It is a super-2 number, since 2×1860411220² = 6922259815003776800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1860411227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2447530 + ... + 2448289.

It is an arithmetic number, because the mean of its divisors is an integer number (171353700).

Almost surely, 2^1860411220 is an apocalyptic number.

1860411220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1860411220 is an abundant number, since it is smaller than the sum of its proper divisors (2252077580).

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

1860411220 is a wasteful number, since it uses less digits than its factorization.

1860411220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895847 (or 4895845 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1860411220 is about 43132.4845099375. The cubic root of 1860411220 is about 1229.8995709749.

The spelling of 1860411220 in words is "one billion, eight hundred sixty million, four hundred eleven thousand, two hundred twenty".