250010442 has 96 divisors (see below), whose sum is σ = 619375680. Its totient is φ = 74685600.

The previous prime is 250010393. The next prime is 250010459. The reversal of 250010442 is 244010052.

It is a super-2 number, since 2×250010442² = 125010442218070728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 542092 + ... + 542552.

It is an arithmetic number, because the mean of its divisors is an integer number (6451830).

Almost surely, 2^250010442 is an apocalyptic number.

250010442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 250010442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309687840).

250010442 is an abundant number, since it is smaller than the sum of its proper divisors (369365238).

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

250010442 is a wasteful number, since it uses less digits than its factorization.

250010442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 250010442 is about 15811.7185024272. The cubic root of 250010442 is about 629.9692955557.

Adding to 250010442 its reverse (244010052), we get a palindrome (494020494).

The spelling of 250010442 in words is "two hundred fifty million, ten thousand, four hundred forty-two".