42702047388 has 288 divisors, whose sum is σ = 151232320512. Its totient is φ = 9792921600.

The previous prime is 42702047357. The next prime is 42702047389. The reversal of 42702047388 is 88374020724.

42702047388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42702047388² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42702047389) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 803068 + ... + 854588.

It is an arithmetic number, because the mean of its divisors is an integer number (525112224).

Almost surely, 2^42702047388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42702047388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75616160256).

42702047388 is an abundant number, since it is smaller than the sum of its proper divisors (108530273124).

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

42702047388 is a wasteful number, since it uses less digits than its factorization.

42702047388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51585 (or 51580 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 42702047388 in words is "forty-two billion, seven hundred two million, forty-seven thousand, three hundred eighty-eight".