2118958080 has 352 divisors, whose sum is σ = 7215920640. Its totient is φ = 529858560.

The previous prime is 2118958063. The next prime is 2118958087. The reversal of 2118958080 is 808598112.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118958087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29844445 + ... + 29844515.

Almost surely, 2^2118958080 is an apocalyptic number.

2118958080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2118958080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3607960320).

2118958080 is an abundant number, since it is smaller than the sum of its proper divisors (5096962560).

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

2118958080 is a wasteful number, since it uses less digits than its factorization.

2118958080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 42.

The square root of 2118958080 is about 46032.1418141715. The cubic root of 2118958080 is about 1284.4211698583.

The spelling of 2118958080 in words is "two billion, one hundred eighteen million, nine hundred fifty-eight thousand, eighty".