42283240 has 32 divisors (see below), whose sum is σ = 95757480. Its totient is φ = 16803072.

The previous prime is 42283237. The next prime is 42283261. The reversal of 42283240 is 4238224.

It can be written as a sum of positive squares in 4 ways, for example, as 40373316 + 1909924 = 6354^2 + 1382^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2914 + ... + 9646.

Almost surely, 2^42283240 is an apocalyptic number.

42283240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42283240 is an abundant number, since it is smaller than the sum of its proper divisors (53474240).

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

42283240 is a wasteful number, since it uses less digits than its factorization.

42283240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6901 (or 6897 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 42283240 is about 6502.5564203627. The cubic root of 42283240 is about 348.3823032476.

The spelling of 42283240 in words is "forty-two million, two hundred eighty-three thousand, two hundred forty".