26401269948 has 24 divisors (see below), whose sum is σ = 61666695552. Its totient is φ = 8791318704.

The previous prime is 26401269931. The next prime is 26401269953. The reversal of 26401269948 is 84996210462.

It is a self number, because there is not a number n which added to its sum of digits gives 26401269948.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125990 + ... + 1149197.

It is an arithmetic number, because the mean of its divisors is an integer number (2569445648).

Almost surely, 2^26401269948 is an apocalyptic number.

It is an amenable number.

26401269948 is an abundant number, since it is smaller than the sum of its proper divisors (35265425604).

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

26401269948 is a wasteful number, since it uses less digits than its factorization.

26401269948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276161 (or 2276159 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 26401269948 in words is "twenty-six billion, four hundred one million, two hundred sixty-nine thousand, nine hundred forty-eight".