42802644544 has 63 divisors (see below), whose sum is σ = 93399679723. Its totient is φ = 19447472000.

The previous prime is 42802644541. The next prime is 42802644559. The reversal of 42802644544 is 44544620824.

The square root of 42802644544 is 206888.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42802644544.

It is not an unprimeable number, because it can be changed into a prime (42802644541) 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 8 ways as a sum of consecutive naturals, for example, 18204969 + ... + 18207319.

Almost surely, 2^42802644544 is an apocalyptic number.

42802644544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

42802644544 is the 206888-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42802644544

42802644544 is an abundant number, since it is smaller than the sum of its proper divisors (50597035179).

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

42802644544 is an frugal number, since it uses more digits than its factorization.

42802644544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 43.

The spelling of 42802644544 in words is "forty-two billion, eight hundred two million, six hundred forty-four thousand, five hundred forty-four".