1382190420 has 96 divisors (see below), whose sum is σ = 4192336512. Its totient is φ = 338231808.

The previous prime is 1382190379. The next prime is 1382190427. The reversal of 1382190420 is 240912831.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382190427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129819 + ... + 140061.

It is an arithmetic number, because the mean of its divisors is an integer number (43670172).

Almost surely, 2^1382190420 is an apocalyptic number.

1382190420 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 1382190420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2096168256).

1382190420 is an abundant number, since it is smaller than the sum of its proper divisors (2810146092).

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

1382190420 is a wasteful number, since it uses less digits than its factorization.

1382190420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10441 (or 10439 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1382190420 is about 37177.8216145056. The cubic root of 1382190420 is about 1113.9250218407.

The spelling of 1382190420 in words is "one billion, three hundred eighty-two million, one hundred ninety thousand, four hundred twenty".