42810450 has 48 divisors (see below), whose sum is σ = 106868160. Its totient is φ = 11341120.

The previous prime is 42810421. The next prime is 42810457. The reversal of 42810450 is 5401824.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42810450.

It is not an unprimeable number, because it can be changed into a prime (42810457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24196 + ... + 25904.

It is an arithmetic number, because the mean of its divisors is an integer number (2226420).

Almost surely, 2^42810450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42810450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53434080).

42810450 is an abundant number, since it is smaller than the sum of its proper divisors (64057710).

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

42810450 is a wasteful number, since it uses less digits than its factorization.

42810450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891 (or 1886 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 42810450 is about 6542.9695093283. The cubic root of 42810450 is about 349.8242655202.

It can be divided in two parts, 428 and 10450, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 42810450 in words is "forty-two million, eight hundred ten thousand, four hundred fifty".