1375040264 has 64 divisors (see below), whose sum is σ = 2836982400. Its totient is φ = 620960256.

The previous prime is 1375040243. The next prime is 1375040269. The reversal of 1375040264 is 4620405731.

It is a self number, because there is not a number n which added to its sum of digits gives 1375040264.

It is not an unprimeable number, because it can be changed into a prime (1375040269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054637 + ... + 1055939.

It is an arithmetic number, because the mean of its divisors is an integer number (44327850).

Almost surely, 2^1375040264 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 1375040264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1418491200).

1375040264 is an abundant number, since it is smaller than the sum of its proper divisors (1461942136).

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

1375040264 is a wasteful number, since it uses less digits than its factorization.

1375040264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534 (or 1530 counting only the distinct ones).

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

The square root of 1375040264 is about 37081.5353511691. The cubic root of 1375040264 is about 1112.0008992798. Note that the first 3 decimals are identical.

Adding to 1375040264 its reverse (4620405731), we get a palindrome (5995445995).

The spelling of 1375040264 in words is "one billion, three hundred seventy-five million, forty thousand, two hundred sixty-four".