26426622420 has 72 divisors (see below), whose sum is σ = 87448102560. Its totient is φ = 6406453440.

The previous prime is 26426622373. The next prime is 26426622433. The reversal of 26426622420 is 2422662462.

26426622420 is a `hidden beast` number, since 2 + 6 + 4 + 2 + 6 + 622 + 4 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6671410 + ... + 6675369.

It is an arithmetic number, because the mean of its divisors is an integer number (1214556980).

Almost surely, 2^26426622420 is an apocalyptic number.

26426622420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26426622420 is an abundant number, since it is smaller than the sum of its proper divisors (61021480140).

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

26426622420 is a wasteful number, since it uses less digits than its factorization.

26426622420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13346805 (or 13346800 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

It can be divided in two parts, 26426 and 622420, that added together give a palindrome (648846).

The spelling of 26426622420 in words is "twenty-six billion, four hundred twenty-six million, six hundred twenty-two thousand, four hundred twenty".