26378881234720 has 96 divisors (see below), whose sum is σ = 75412566407808. Its totient is φ = 8512176795648.

The previous prime is 26378881234697. The next prime is 26378881234751. The reversal of 26378881234720 is 2743218887362.

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, 692703682 + ... + 692741761.

It is an arithmetic number, because the mean of its divisors is an integer number (785547566748).

Almost surely, 2^{26378881234720} is an apocalyptic number.

26378881234720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26378881234720 is an abundant number, since it is smaller than the sum of its proper divisors (49033685173088).

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

26378881234720 is a wasteful number, since it uses less digits than its factorization.

26378881234720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385445482 (or 1385445474 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 61.

The spelling of 26378881234720 in words is "twenty-six trillion, three hundred seventy-eight billion, eight hundred eighty-one million, two hundred thirty-four thousand, seven hundred twenty".