42733782840 has 128 divisors (see below), whose sum is σ = 148370688000. Its totient is φ = 9644064768.

The previous prime is 42733782809. The next prime is 42733782859. The reversal of 42733782840 is 4828733724.

42733782840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42733782840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255625 + ... + 388344.

It is an arithmetic number, because the mean of its divisors is an integer number (1159146000).

Almost surely, 2^42733782840 is an apocalyptic number.

42733782840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42733782840 is an abundant number, since it is smaller than the sum of its proper divisors (105636905160).

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

42733782840 is a wasteful number, since it uses less digits than its factorization.

42733782840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644069 (or 644065 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 42733782840 in words is "forty-two billion, seven hundred thirty-three million, seven hundred eighty-two thousand, eight hundred forty".