42858450 has 96 divisors (see below), whose sum is σ = 120528000. Its totient is φ = 11194560.

The previous prime is 42858443. The next prime is 42858467. The reversal of 42858450 is 5485824.

42858450 is a `hidden beast` number, since 4 + 28 + 584 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71251 + ... + 71849.

It is an arithmetic number, because the mean of its divisors is an integer number (1255500).

Almost surely, 2^42858450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42858450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60264000).

42858450 is an abundant number, since it is smaller than the sum of its proper divisors (77669550).

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

42858450 is a wasteful number, since it uses less digits than its factorization.

42858450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 42858450 is about 6546.6365410033. The cubic root of 42858450 is about 349.9549601907.

The spelling of 42858450 in words is "forty-two million, eight hundred fifty-eight thousand, four hundred fifty".