42440248 has 32 divisors (see below), whose sum is σ = 83280960. Its totient is φ = 20254720.

The previous prime is 42440197. The next prime is 42440249. The reversal of 42440248 is 84204424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42440249) 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, 14040 + ... + 16792.

It is an arithmetic number, because the mean of its divisors is an integer number (2602530).

Almost surely, 2^42440248 is an apocalyptic number.

It is an amenable number.

42440248 is a deficient number, since it is larger than the sum of its proper divisors (40840712).

42440248 is a wasteful number, since it uses less digits than its factorization.

42440248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847 (or 2843 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 42440248 is about 6514.6180241055. The cubic root of 42440248 is about 348.8129801513.

The spelling of 42440248 in words is "forty-two million, four hundred forty thousand, two hundred forty-eight".