18874486030 has 16 divisors (see below), whose sum is σ = 34068716640. Its totient is φ = 7528762912.

The previous prime is 18874486009. The next prime is 18874486039. The reversal of 18874486030 is 3068447881.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18874486039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2625169 + ... + 2632348.

It is an arithmetic number, because the mean of its divisors is an integer number (2129294790).

Almost surely, 2^18874486030 is an apocalyptic number.

18874486030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18874486030 is a deficient number, since it is larger than the sum of its proper divisors (15194230610).

18874486030 is a wasteful number, since it uses less digits than its factorization.

18874486030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5257883.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 18874486030 in words is "eighteen billion, eight hundred seventy-four million, four hundred eighty-six thousand, thirty".