42804388744 has 32 divisors (see below), whose sum is σ = 86440478040. Its totient is φ = 19753920000.

The previous prime is 42804388673. The next prime is 42804388771. The reversal of 42804388744 is 44788340824.

It can be written as a sum of positive squares in 4 ways, for example, as 17606636100 + 25197752644 = 132690^2 + 158738^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 42804388691 and 42804388700.

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 7 ways as a sum of consecutive naturals, for example, 1965274 + ... + 1986934.

Almost surely, 2^42804388744 is an apocalyptic number.

It is an amenable number.

42804388744 is an abundant number, since it is smaller than the sum of its proper divisors (43636089296).

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

42804388744 is a wasteful number, since it uses less digits than its factorization.

42804388744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40681 (or 40677 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 52.

The spelling of 42804388744 in words is "forty-two billion, eight hundred four million, three hundred eighty-eight thousand, seven hundred forty-four".