1828382940 has 72 divisors (see below), whose sum is σ = 5595237648. Its totient is φ = 483248640.

The previous prime is 1828382917. The next prime is 1828382993. The reversal of 1828382940 is 492838281.

1828382940 is a `hidden beast` number, since 182 + 8 + 382 + 94 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24606 + ... + 65285.

It is an arithmetic number, because the mean of its divisors is an integer number (77711634).

Almost surely, 2^1828382940 is an apocalyptic number.

1828382940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1828382940 is an abundant number, since it is smaller than the sum of its proper divisors (3766854708).

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

1828382940 is a wasteful number, since it uses less digits than its factorization.

1828382940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90019 (or 90014 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 1828382940 is about 42759.5947127659. The cubic root of 1828382940 is about 1222.8008167353.

The spelling of 1828382940 in words is "one billion, eight hundred twenty-eight million, three hundred eighty-two thousand, nine hundred forty".