42903788072 has 32 divisors (see below), whose sum is σ = 83365065000. Its totient is φ = 20675708928.

The previous prime is 42903788051. The next prime is 42903788099. The reversal of 42903788072 is 27088730924.

It can be written as a sum of positive squares in 4 ways, for example, as 30868381636 + 12035406436 = 175694^2 + 109706^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42903788072.

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, 30497 + ... + 294512.

Almost surely, 2^42903788072 is an apocalyptic number.

It is an amenable number.

42903788072 is a deficient number, since it is larger than the sum of its proper divisors (40461276928).

42903788072 is a wasteful number, since it uses less digits than its factorization.

42903788072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325613 (or 325609 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 42903788072 in words is "forty-two billion, nine hundred three million, seven hundred eighty-eight thousand, seventy-two".