1266574200832 has 52 divisors (see below), whose sum is σ = 2533236107116. Its totient is φ = 633187860480.

The previous prime is 1266574200823. The next prime is 1266574200851. The reversal of 1266574200832 is 2380024756621.

It can be written as a sum of positive squares in 2 ways, for example, as 729015422976 + 537558777856 = 853824^2 + 733184^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30949408 + ... + 30990304.

It is an arithmetic number, because the mean of its divisors is an integer number (48716078983).

Almost surely, 2^{1266574200832} 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 1266574200832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1266618053558).

1266574200832 is an abundant number, since it is smaller than the sum of its proper divisors (1266661906284).

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

1266574200832 is an frugal number, since it uses more digits than its factorization.

1266574200832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48482 (or 48460 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 1266574200832 in words is "one trillion, two hundred sixty-six billion, five hundred seventy-four million, two hundred thousand, eight hundred thirty-two".