26450377530 has 128 divisors (see below), whose sum is σ = 65840947200. Its totient is φ = 6796753920.

The previous prime is 26450377511. The next prime is 26450377543. The reversal of 26450377530 is 3577305462.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30022690 + ... + 30023570.

It is an arithmetic number, because the mean of its divisors is an integer number (514382400).

Almost surely, 2^26450377530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26450377530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32920473600).

26450377530 is an abundant number, since it is smaller than the sum of its proper divisors (39390569670).

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

26450377530 is a wasteful number, since it uses less digits than its factorization.

26450377530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244.

The product of its (nonzero) digits is 529200, while the sum is 42.

The spelling of 26450377530 in words is "twenty-six billion, four hundred fifty million, three hundred seventy-seven thousand, five hundred thirty".