1375353240 has 64 divisors (see below), whose sum is σ = 4141843200. Its totient is φ = 365357952.

The previous prime is 1375353211. The next prime is 1375353251. The reversal of 1375353240 is 423535731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9771 + ... + 53349.

It is an arithmetic number, because the mean of its divisors is an integer number (64716300).

Almost surely, 2^1375353240 is an apocalyptic number.

1375353240 is a gapful number since it is divisible by the number (10) 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 1375353240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2070921600).

1375353240 is an abundant number, since it is smaller than the sum of its proper divisors (2766489960).

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

1375353240 is a wasteful number, since it uses less digits than its factorization.

1375353240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43856 (or 43852 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 1375353240 is about 37085.7552167945. The cubic root of 1375353240 is about 1112.0852612196.

Adding to 1375353240 its reverse (423535731), we get a palindrome (1798888971).

The spelling of 1375353240 in words is "one billion, three hundred seventy-five million, three hundred fifty-three thousand, two hundred forty".