26477623128 has 128 divisors (see below), whose sum is σ = 76356403200. Its totient is φ = 7566825600.

The previous prime is 26477623091. The next prime is 26477623129. The reversal of 26477623128 is 82132677462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26477623129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1106733 + ... + 1130403.

It is an arithmetic number, because the mean of its divisors is an integer number (596534400).

Almost surely, 2^26477623128 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 26477623128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38178201600).

26477623128 is an abundant number, since it is smaller than the sum of its proper divisors (49878780072).

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

26477623128 is a wasteful number, since it uses less digits than its factorization.

26477623128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23933 (or 23929 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The spelling of 26477623128 in words is "twenty-six billion, four hundred seventy-seven million, six hundred twenty-three thousand, one hundred twenty-eight".