1379820960 has 384 divisors, whose sum is σ = 5585448960. Its totient is φ = 311620608.

The previous prime is 1379820941. The next prime is 1379820973. The reversal of 1379820960 is 690289731.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3114499 + ... + 3114941.

It is an arithmetic number, because the mean of its divisors is an integer number (14545440).

Almost surely, 2^1379820960 is an apocalyptic number.

1379820960 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 1379820960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2792724480).

1379820960 is an abundant number, since it is smaller than the sum of its proper divisors (4205628000).

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

1379820960 is a wasteful number, since it uses less digits than its factorization.

1379820960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1379820960 is about 37145.9413664535. The cubic root of 1379820960 is about 1113.2881316782.

The spelling of 1379820960 in words is "one billion, three hundred seventy-nine million, eight hundred twenty thousand, nine hundred sixty".