42448740 has 48 divisors (see below), whose sum is σ = 121627968. Its totient is φ = 11055744.

The previous prime is 42448733. The next prime is 42448751. The reversal of 42448740 is 4784424.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5647 + ... + 10806.

It is an arithmetic number, because the mean of its divisors is an integer number (2533916).

Almost surely, 2^42448740 is an apocalyptic number.

It is an amenable number.

42448740 is an abundant number, since it is smaller than the sum of its proper divisors (79179228).

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

42448740 is a wasteful number, since it uses less digits than its factorization.

42448740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16508 (or 16506 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 33.

The square root of 42448740 is about 6515.2697565028. The cubic root of 42448740 is about 348.8362436211.

The spelling of 42448740 in words is "forty-two million, four hundred forty-eight thousand, seven hundred forty".