26226983040 has 128 divisors (see below), whose sum is σ = 83643753600. Its totient is φ = 6990077952.

The previous prime is 26226983039. The next prime is 26226983059. The reversal of 26226983040 is 4038962262.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 26226982983 and 26226983001.

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, 7050301 + ... + 7054019.

It is an arithmetic number, because the mean of its divisors is an integer number (653466825).

Almost surely, 2^26226983040 is an apocalyptic number.

26226983040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26226983040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41821876800).

26226983040 is an abundant number, since it is smaller than the sum of its proper divisors (57416770560).

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

26226983040 is a wasteful number, since it uses less digits than its factorization.

26226983040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414 (or 7402 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 26226983040 in words is "twenty-six billion, two hundred twenty-six million, nine hundred eighty-three thousand, forty".