42248450 has 48 divisors (see below), whose sum is σ = 82822824. Its totient is φ = 16012800.

The previous prime is 42248449. The next prime is 42248483. The reversal of 42248450 is 5484224.

It can be written as a sum of positive squares in 12 ways, for example, as 89401 + 42159049 = 299^2 + 6493^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75572 + ... + 76128.

Almost surely, 2^42248450 is an apocalyptic number.

42248450 is a deficient number, since it is larger than the sum of its proper divisors (40574374).

42248450 is a wasteful number, since it uses less digits than its factorization.

42248450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 42248450 is about 6499.8807681372. The cubic root of 42248450 is about 348.2867291623.

The spelling of 42248450 in words is "forty-two million, two hundred forty-eight thousand, four hundred fifty".