1438964588264 has 32 divisors (see below), whose sum is σ = 3083534051520. Its totient is φ = 616691408256.

The previous prime is 1438964588261. The next prime is 1438964588279. The reversal of 1438964588264 is 4628854698341.

It is a junction number, because it is equal to n+sod(n) for n = 1438964588194 and 1438964588203.

It is not an unprimeable number, because it can be changed into a prime (1438964588261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8527172 + ... + 8694284.

It is an arithmetic number, because the mean of its divisors is an integer number (96360439110).

Almost surely, 2^{1438964588264} is an apocalyptic number.

1438964588264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1438964588264 is an abundant number, since it is smaller than the sum of its proper divisors (1644569463256).

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

1438964588264 is a wasteful number, since it uses less digits than its factorization.

1438964588264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320889 (or 320885 counting only the distinct ones).

The product of its digits is 318504960, while the sum is 68.

The spelling of 1438964588264 in words is "one trillion, four hundred thirty-eight billion, nine hundred sixty-four million, five hundred eighty-eight thousand, two hundred sixty-four".