26678462340 has 24 divisors (see below), whose sum is σ = 74699694720. Its totient is φ = 7114256608.

The previous prime is 26678462339. The next prime is 26678462357. The reversal of 26678462340 is 4326487662.

It is a self number, because there is not a number n which added to its sum of digits gives 26678462340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222320460 + ... + 222320579.

It is an arithmetic number, because the mean of its divisors is an integer number (3112487280).

Almost surely, 2^26678462340 is an apocalyptic number.

26678462340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26678462340 is an abundant number, since it is smaller than the sum of its proper divisors (48021232380).

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

26678462340 is a wasteful number, since it uses less digits than its factorization.

26678462340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444641051 (or 444641049 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 48.

The spelling of 26678462340 in words is "twenty-six billion, six hundred seventy-eight million, four hundred sixty-two thousand, three hundred forty".