26142860384220 has 24 divisors (see below), whose sum is σ = 73200009075984. Its totient is φ = 6971429435776.

The previous prime is 26142860384177. The next prime is 26142860384233. The reversal of 26142860384220 is 2248306824162.

It is a self number, because there is not a number n which added to its sum of digits gives 26142860384220.

It is a congruent number.

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, 217857169809 + ... + 217857169928.

It is an arithmetic number, because the mean of its divisors is an integer number (3050000378166).

Almost surely, 2^{26142860384220} is an apocalyptic number.

26142860384220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26142860384220 is an abundant number, since it is smaller than the sum of its proper divisors (47057148691764).

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

26142860384220 is a wasteful number, since it uses less digits than its factorization.

26142860384220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435714339749 (or 435714339747 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 26142860384220 in words is "twenty-six trillion, one hundred forty-two billion, eight hundred sixty million, three hundred eighty-four thousand, two hundred twenty".