2718456380 has 12 divisors (see below), whose sum is σ = 5708758440. Its totient is φ = 1087382544.

The previous prime is 2718456379. The next prime is 2718456401. The reversal of 2718456380 is 836548172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67961390 + ... + 67961429.

It is an arithmetic number, because the mean of its divisors is an integer number (475729870).

Almost surely, 2^2718456380 is an apocalyptic number.

2718456380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2718456380 is an abundant number, since it is smaller than the sum of its proper divisors (2990302060).

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

2718456380 is a wasteful number, since it uses less digits than its factorization.

2718456380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135922828 (or 135922826 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 2718456380 is about 52138.8183602199. The cubic root of 2718456380 is about 1395.6422970298.

The spelling of 2718456380 in words is "two billion, seven hundred eighteen million, four hundred fifty-six thousand, three hundred eighty".