26402231044 has 48 divisors (see below), whose sum is σ = 54312467328. Its totient is φ = 10993010688.

The previous prime is 26402231029. The next prime is 26402231077. The reversal of 26402231044 is 44013220462.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688932 + ... + 726244.

It is an arithmetic number, because the mean of its divisors is an integer number (1131509736).

Almost surely, 2^26402231044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26402231044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27156233664).

26402231044 is an abundant number, since it is smaller than the sum of its proper divisors (27910236284).

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

26402231044 is a wasteful number, since it uses less digits than its factorization.

26402231044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38044 (or 38042 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 26402231044 in words is "twenty-six billion, four hundred two million, two hundred thirty-one thousand, forty-four".