1382580520 has 16 divisors (see below), whose sum is σ = 3110806260. Its totient is φ = 553032192.

The previous prime is 1382580509. The next prime is 1382580527. The reversal of 1382580520 is 250852831.

It can be written as a sum of positive squares in 2 ways, for example, as 1376558404 + 6022116 = 37102^2 + 2454^2 .

It is not an unprimeable number, because it can be changed into a prime (1382580527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17282217 + ... + 17282296.

Almost surely, 2^1382580520 is an apocalyptic number.

1382580520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1382580520 is an abundant number, since it is smaller than the sum of its proper divisors (1728225740).

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

1382580520 is a wasteful number, since it uses less digits than its factorization.

1382580520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34564524 (or 34564520 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 1382580520 is about 37183.0676518224. The cubic root of 1382580520 is about 1114.0298075177.

The spelling of 1382580520 in words is "one billion, three hundred eighty-two million, five hundred eighty thousand, five hundred twenty".