42450242250 has 128 divisors (see below), whose sum is σ = 114237317376. Its totient is φ = 10437292800.

The previous prime is 42450242249. The next prime is 42450242257. The reversal of 42450242250 is 5224205424.

42450242250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (42450242257) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10947312 + ... + 10951188.

It is an arithmetic number, because the mean of its divisors is an integer number (892479042).

Almost surely, 2^42450242250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42450242250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57118658688).

42450242250 is an abundant number, since it is smaller than the sum of its proper divisors (71787075126).

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

42450242250 is a wasteful number, since it uses less digits than its factorization.

42450242250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033 (or 5023 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 42450242250 its reverse (5224205424), we get a palindrome (47674447674).

The spelling of 42450242250 in words is "forty-two billion, four hundred fifty million, two hundred forty-two thousand, two hundred fifty".