42448620 has 48 divisors (see below), whose sum is σ = 122074848. Its totient is φ = 11013120.

The previous prime is 42448591. The next prime is 42448621. The reversal of 42448620 is 2684424.

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 (42448621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7341 + ... + 11780.

It is an arithmetic number, because the mean of its divisors is an integer number (2543226).

Almost surely, 2^42448620 is an apocalyptic number.

It is an amenable number.

42448620 is an abundant number, since it is smaller than the sum of its proper divisors (79626228).

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

42448620 is a wasteful number, since it uses less digits than its factorization.

42448620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19170 (or 19168 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 42448620 is about 6515.2605473611. The cubic root of 42448620 is about 348.8359149079.

The spelling of 42448620 in words is "forty-two million, four hundred forty-eight thousand, six hundred twenty".