26124657672 has 64 divisors (see below), whose sum is σ = 66656001600. Its totient is φ = 8530027520.

The previous prime is 26124657661. The next prime is 26124657701. The reversal of 26124657672 is 27675642162.

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, 365068 + ... + 430724.

It is an arithmetic number, because the mean of its divisors is an integer number (1041500025).

Almost surely, 2^26124657672 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 26124657672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33328000800).

26124657672 is an abundant number, since it is smaller than the sum of its proper divisors (40531343928).

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

26124657672 is a wasteful number, since it uses less digits than its factorization.

26124657672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66006 (or 66002 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 48.

The spelling of 26124657672 in words is "twenty-six billion, one hundred twenty-four million, six hundred fifty-seven thousand, six hundred seventy-two".