265326001728 has 224 divisors, whose sum is σ = 729473060736. Its totient is φ = 85064957952.

The previous prime is 265326001693. The next prime is 265326001741. The reversal of 265326001728 is 827100623562.

It is a self number, because there is not a number n which added to its sum of digits gives 265326001728.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115710150 + ... + 115712442.

It is an arithmetic number, because the mean of its divisors is an integer number (3256576164).

Almost surely, 2^265326001728 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 265326001728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364736530368).

265326001728 is an abundant number, since it is smaller than the sum of its proper divisors (464147059008).

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

265326001728 is a wasteful number, since it uses less digits than its factorization.

265326001728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581 (or 2571 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 265326001728 in words is "two hundred sixty-five billion, three hundred twenty-six million, one thousand, seven hundred twenty-eight".