1382032520 has 128 divisors (see below), whose sum is σ = 3483648000. Its totient is φ = 489204480.

The previous prime is 1382032511. The next prime is 1382032541. The reversal of 1382032520 is 252302831.

It is a self number, because there is not a number n which added to its sum of digits gives 1382032520.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3608249 + ... + 3608631.

It is an arithmetic number, because the mean of its divisors is an integer number (27216000).

Almost surely, 2^1382032520 is an apocalyptic number.

1382032520 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 1382032520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741824000).

1382032520 is an abundant number, since it is smaller than the sum of its proper divisors (2101615480).

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

1382032520 is a wasteful number, since it uses less digits than its factorization.

1382032520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1382032520 is about 37175.6979759627. The cubic root of 1382032520 is about 1113.8826023456.

The spelling of 1382032520 in words is "one billion, three hundred eighty-two million, thirty-two thousand, five hundred twenty".