18627906342420 has 72 divisors (see below), whose sum is σ = 56505853371240. Its totient is φ = 4967335833600.

The previous prime is 18627906342371. The next prime is 18627906342431. The reversal of 18627906342420 is 2424360972681.

It is a happy number.

18627906342420 is a `hidden beast` number, since 1 + 8 + 6 + 279 + 0 + 6 + 342 + 4 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 684769490064 + 17943136852356 = 827508^2 + 4235934^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7555720 + ... + 9713120.

It is an arithmetic number, because the mean of its divisors is an integer number (784803519045).

Almost surely, 2^{18627906342420} is an apocalyptic number.

18627906342420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18627906342420 is an abundant number, since it is smaller than the sum of its proper divisors (37877947028820).

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

18627906342420 is a wasteful number, since it uses less digits than its factorization.

18627906342420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205385 (or 2205380 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 18627906342420 in words is "eighteen trillion, six hundred twenty-seven billion, nine hundred six million, three hundred forty-two thousand, four hundred twenty".