42842280 has 128 divisors (see below), whose sum is σ = 143337600. Its totient is φ = 10171392.

The previous prime is 42842269. The next prime is 42842291. The reversal of 42842280 is 8224824.

It is an interprime number because it is at equal distance from previous prime (42842269) and next prime (42842291).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 44767 + ... + 45713.

It is an arithmetic number, because the mean of its divisors is an integer number (1119825).

Almost surely, 2^42842280 is an apocalyptic number.

42842280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42842280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71668800).

42842280 is an abundant number, since it is smaller than the sum of its proper divisors (100495320).

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

42842280 is a wasteful number, since it uses less digits than its factorization.

42842280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 42842280 is about 6545.4014391785. The cubic root of 42842280 is about 349.9109433281.

The spelling of 42842280 in words is "forty-two million, eight hundred forty-two thousand, two hundred eighty".