42835380 has 96 divisors (see below), whose sum is σ = 138915840. Its totient is φ = 9659520.

The previous prime is 42835369. The next prime is 42835399. The reversal of 42835380 is 8353824.

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, 32535 + ... + 33825.

It is an arithmetic number, because the mean of its divisors is an integer number (1447040).

Almost surely, 2^42835380 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 42835380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69457920).

42835380 is an abundant number, since it is smaller than the sum of its proper divisors (96080460).

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

42835380 is a wasteful number, since it uses less digits than its factorization.

42835380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 42835380 is about 6544.8743303443. The cubic root of 42835380 is about 349.8921572509.

The spelling of 42835380 in words is "forty-two million, eight hundred thirty-five thousand, three hundred eighty".