1383370240 has 320 divisors, whose sum is σ = 4242585600. Its totient is φ = 421134336.

The previous prime is 1383370229. The next prime is 1383370273. The reversal of 1383370240 is 420733831.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5788041 + ... + 5788279.

It is an arithmetic number, because the mean of its divisors is an integer number (13258080).

Almost surely, 2^1383370240 is an apocalyptic number.

1383370240 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 1383370240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2121292800).

1383370240 is an abundant number, since it is smaller than the sum of its proper divisors (2859215360).

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

1383370240 is a wasteful number, since it uses less digits than its factorization.

1383370240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 1383370240 is about 37193.6854855767. The cubic root of 1383370240 is about 1114.2418757369.

The spelling of 1383370240 in words is "one billion, three hundred eighty-three million, three hundred seventy thousand, two hundred forty".