1371380444 has 18 divisors (see below), whose sum is σ = 2791739160. Its totient is φ = 587734392.

The previous prime is 1371380411. The next prime is 1371380473. The reversal of 1371380444 is 4440831731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3498224 + ... + 3498615.

It is an arithmetic number, because the mean of its divisors is an integer number (155096620).

Almost surely, 2^1371380444 is an apocalyptic number.

1371380444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1371380444 is an abundant number, since it is smaller than the sum of its proper divisors (1420358716).

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

1371380444 is a wasteful number, since it uses less digits than its factorization.

1371380444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996857 (or 6996848 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1371380444 is about 37032.1541906490. The cubic root of 1371380444 is about 1111.0134520374.

The spelling of 1371380444 in words is "one billion, three hundred seventy-one million, three hundred eighty thousand, four hundred forty-four".