1359844864 has 120 divisors (see below), whose sum is σ = 3211769880. Its totient is φ = 573382656.

The previous prime is 1359844861. The next prime is 1359844873. The reversal of 1359844864 is 4684489531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1359844861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1680492 + ... + 1681300.

It is an arithmetic number, because the mean of its divisors is an integer number (26764749).

Almost surely, 2^1359844864 is an apocalyptic number.

1359844864 is a gapful number since it is divisible by the number (14) 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 1359844864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605884940).

1359844864 is an abundant number, since it is smaller than the sum of its proper divisors (1851925016).

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

1359844864 is an frugal number, since it uses more digits than its factorization.

1359844864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 885 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The square root of 1359844864 is about 36876.0744114663. The cubic root of 1359844864 is about 1107.8895222772.

The spelling of 1359844864 in words is "one billion, three hundred fifty-nine million, eight hundred forty-four thousand, eight hundred sixty-four".