118421788460 has 48 divisors (see below), whose sum is σ = 254999799264. Its totient is φ = 46180620288.

The previous prime is 118421788439. The next prime is 118421788517. The reversal of 118421788460 is 64887124811.

It is a junction number, because it is equal to n+sod(n) for n = 118421788399 and 118421788408.

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, 325559 + ... + 585518.

It is an arithmetic number, because the mean of its divisors is an integer number (5312495818).

Almost surely, 2^118421788460 is an apocalyptic number.

118421788460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118421788460 is an abundant number, since it is smaller than the sum of its proper divisors (136578010804).

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

118421788460 is a wasteful number, since it uses less digits than its factorization.

118421788460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911250 (or 911248 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 50.

The spelling of 118421788460 in words is "one hundred eighteen billion, four hundred twenty-one million, seven hundred eighty-eight thousand, four hundred sixty".