1368271872 has 264 divisors, whose sum is σ = 4464916400. Its totient is φ = 413614080.

The previous prime is 1368271867. The next prime is 1368271873. The reversal of 1368271872 is 2781728631.

It is a tau number, because it is divible by the number of its divisors (264).

It is not an unprimeable number, because it can be changed into a prime (1368271873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3345204 + ... + 3345612.

Almost surely, 2^1368271872 is an apocalyptic number.

1368271872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368271872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2232458200).

1368271872 is an abundant number, since it is smaller than the sum of its proper divisors (3096644528).

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

1368271872 is a wasteful number, since it uses less digits than its factorization.

1368271872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 425 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 1368271872 is about 36990.1591237453. The cubic root of 1368271872 is about 1110.1733549554.

The spelling of 1368271872 in words is "one billion, three hundred sixty-eight million, two hundred seventy-one thousand, eight hundred seventy-two".