1371164944 has 80 divisors (see below), whose sum is σ = 2895995200. Its totient is φ = 626683392.

The previous prime is 1371164933. The next prime is 1371164947. The reversal of 1371164944 is 4494611731.

It is a happy number.

It is a super-3 number, since 3×1371164944³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1371164897 and 1371164906.

It is not an unprimeable number, because it can be changed into a prime (1371164947) 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, 1563034 + ... + 1563910.

It is an arithmetic number, because the mean of its divisors is an integer number (36199940).

Almost surely, 2^1371164944 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 1371164944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447997600).

1371164944 is an abundant number, since it is smaller than the sum of its proper divisors (1524830256).

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

1371164944 is a wasteful number, since it uses less digits than its factorization.

1371164944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 1074 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 1371164944 is about 37029.2444427374. The cubic root of 1371164944 is about 1110.9552537594.

The spelling of 1371164944 in words is "one billion, three hundred seventy-one million, one hundred sixty-four thousand, nine hundred forty-four".