1375220264 has 64 divisors (see below), whose sum is σ = 2914375680. Its totient is φ = 602712000.

The previous prime is 1375220243. The next prime is 1375220279. The reversal of 1375220264 is 4620225731.

It is a self number, because there is not a number n which added to its sum of digits gives 1375220264.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902207 + ... + 903729.

It is an arithmetic number, because the mean of its divisors is an integer number (45537120).

Almost surely, 2^1375220264 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 1375220264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1457187840).

1375220264 is an abundant number, since it is smaller than the sum of its proper divisors (1539155416).

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

1375220264 is a wasteful number, since it uses less digits than its factorization.

1375220264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902 (or 1898 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 1375220264 is about 37083.9623557138. The cubic root of 1375220264 is about 1112.0494194175.

Adding to 1375220264 its reverse (4620225731), we get a palindrome (5995445995).

The spelling of 1375220264 in words is "one billion, three hundred seventy-five million, two hundred twenty thousand, two hundred sixty-four".