1782442416 has 20 divisors (see below), whose sum is σ = 4604643032. Its totient is φ = 594147456.

The previous prime is 1782442411. The next prime is 1782442423. The reversal of 1782442416 is 6142442871.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1782442411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18567061 + ... + 18567156.

Almost surely, 2^1782442416 is an apocalyptic number.

1782442416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1782442416 is an abundant number, since it is smaller than the sum of its proper divisors (2822200616).

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

1782442416 is a wasteful number, since it uses less digits than its factorization.

1782442416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37134228 (or 37134222 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 1782442416 is about 42218.9817025470. The cubic root of 1782442416 is about 1212.4723294922.

The spelling of 1782442416 in words is "one billion, seven hundred eighty-two million, four hundred forty-two thousand, four hundred sixteen".