18980200457228 has 48 divisors (see below), whose sum is σ = 34796813768640. Its totient is φ = 9041539584000.

The previous prime is 18980200457191. The next prime is 18980200457293. The reversal of 18980200457228 is 82275400208981.

It is a happy number.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103875068 + ... + 104057628.

It is an arithmetic number, because the mean of its divisors is an integer number (724933620180).

Almost surely, 2^{18980200457228} is an apocalyptic number.

It is an amenable number.

18980200457228 is a deficient number, since it is larger than the sum of its proper divisors (15816613311412).

18980200457228 is a wasteful number, since it uses less digits than its factorization.

18980200457228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187058 (or 187056 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 18980200457228 in words is "eighteen trillion, nine hundred eighty billion, two hundred million, four hundred fifty-seven thousand, two hundred twenty-eight".