3838260721288 has 32 divisors (see below), whose sum is σ = 8225022182400. Its totient is φ = 1644933324672.

The previous prime is 3838260721279. The next prime is 3838260721319. The reversal of 3838260721288 is 8821270628383.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1960348 + ... + 3394036.

It is an arithmetic number, because the mean of its divisors is an integer number (257031943200).

Almost surely, 2^{3838260721288} is an apocalyptic number.

It is an amenable number.

3838260721288 is an abundant number, since it is smaller than the sum of its proper divisors (4386761461112).

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

3838260721288 is a wasteful number, since it uses less digits than its factorization.

3838260721288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481509 (or 1481505 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 58.

The spelling of 3838260721288 in words is "three trillion, eight hundred thirty-eight billion, two hundred sixty million, seven hundred twenty-one thousand, two hundred eighty-eight".