782406805444 has 48 divisors (see below), whose sum is σ = 1581647389056. Its totient is φ = 334698790400.

The previous prime is 782406805441. The next prime is 782406805451. The reversal of 782406805444 is 444508604287.

It is a super-2 number, since 2×782406805444² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 782406805391 and 782406805400.

It is not an unprimeable number, because it can be changed into a prime (782406805441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 24115017 + ... + 24147439.

It is an arithmetic number, because the mean of its divisors is an integer number (32950987272).

Almost surely, 2^782406805444 is an apocalyptic number.

It is an amenable number.

782406805444 is an abundant number, since it is smaller than the sum of its proper divisors (799240583612).

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

782406805444 is a wasteful number, since it uses less digits than its factorization.

782406805444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64716 (or 64714 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 52.

The spelling of 782406805444 in words is "seven hundred eighty-two billion, four hundred six million, eight hundred five thousand, four hundred forty-four".