42482820 has 24 divisors (see below), whose sum is σ = 118952064. Its totient is φ = 11328736.

The previous prime is 42482809. The next prime is 42482821. The reversal of 42482820 is 2828424.

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

It is not an unprimeable number, because it can be changed into a prime (42482821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353964 + ... + 354083.

It is an arithmetic number, because the mean of its divisors is an integer number (4956336).

Almost surely, 2^42482820 is an apocalyptic number.

It is an amenable number.

42482820 is an abundant number, since it is smaller than the sum of its proper divisors (76469244).

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

42482820 is a wasteful number, since it uses less digits than its factorization.

42482820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708059 (or 708057 counting only the distinct ones).

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

The square root of 42482820 is about 6517.8846261651. The cubic root of 42482820 is about 348.9295731214.

The spelling of 42482820 in words is "forty-two million, four hundred eighty-two thousand, eight hundred twenty".