1860228283920 has 40 divisors (see below), whose sum is σ = 5766707680896. Its totient is φ = 496060875648.

The previous prime is 1860228283861. The next prime is 1860228283957. The reversal of 1860228283920 is 293828220681.

It is a tau number, because it is divible by the number of its divisors (40).

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, 3875475352 + ... + 3875475831.

Almost surely, 2^{1860228283920} is an apocalyptic number.

1860228283920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1860228283920 is an abundant number, since it is smaller than the sum of its proper divisors (3906479396976).

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

1860228283920 is a wasteful number, since it uses less digits than its factorization.

1860228283920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750951199 (or 7750951193 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 1860228283920 in words is "one trillion, eight hundred sixty billion, two hundred twenty-eight million, two hundred eighty-three thousand, nine hundred twenty".