42046450 has 12 divisors (see below), whose sum is σ = 78206490. Its totient is φ = 16818560.

The previous prime is 42046421. The next prime is 42046471. The reversal of 42046450 is 5464024.

It can be written as a sum of positive squares in 3 ways, for example, as 38278969 + 3767481 = 6187^2 + 1941^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 420415 + ... + 420514.

Almost surely, 2^42046450 is an apocalyptic number.

42046450 is a deficient number, since it is larger than the sum of its proper divisors (36160040).

42046450 is a wasteful number, since it uses less digits than its factorization.

42046450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840941 (or 840936 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 42046450 is about 6484.3234034092. The cubic root of 42046450 is about 347.7307612754.

The spelling of 42046450 in words is "forty-two million, forty-six thousand, four hundred fifty".