780341442 has 8 divisors (see below), whose sum is σ = 1560682896. Its totient is φ = 260113812.

The previous prime is 780341431. The next prime is 780341449. The reversal of 780341442 is 244143087.

It is a sphenic number, since it is the product of 3 distinct primes.

780341442 is an admirable number.

It is a super-2 number, since 2×780341442² = 1217865532205278728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (780341449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65028448 + ... + 65028459.

It is an arithmetic number, because the mean of its divisors is an integer number (195085362).

Almost surely, 2^780341442 is an apocalyptic number.

780341442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

780341442 is a wasteful number, since it uses less digits than its factorization.

780341442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130056912.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 780341442 is about 27934.5922110920. The cubic root of 780341442 is about 920.6507061631.

The spelling of 780341442 in words is "seven hundred eighty million, three hundred forty-one thousand, four hundred forty-two".