2718669138420 has 48 divisors (see below), whose sum is σ = 7667038169280. Its totient is φ = 719762762496.

The previous prime is 2718669138377. The next prime is 2718669138431. The reversal of 2718669138420 is 248319668172.

It is a happy number.

It is a congruent number.

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, 162981417 + ... + 162998096.

It is an arithmetic number, because the mean of its divisors is an integer number (159729961860).

Almost surely, 2^{2718669138420} is an apocalyptic number.

2718669138420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2718669138420 is an abundant number, since it is smaller than the sum of its proper divisors (4948369030860).

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

2718669138420 is a wasteful number, since it uses less digits than its factorization.

2718669138420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325979664 (or 325979662 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 2718669138420 in words is "two trillion, seven hundred eighteen billion, six hundred sixty-nine million, one hundred thirty-eight thousand, four hundred twenty".