42010344 has 96 divisors (see below), whose sum is σ = 118146600. Its totient is φ = 13478400.

The previous prime is 42010303. The next prime is 42010361. The reversal of 42010344 is 44301024.

It can be written as a sum of positive squares in 4 ways, for example, as 41447844 + 562500 = 6438^2 + 750^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385362 + ... + 385470.

Almost surely, 2^42010344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42010344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59073300).

42010344 is an abundant number, since it is smaller than the sum of its proper divisors (76136256).

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

42010344 is a wasteful number, since it uses less digits than its factorization.

42010344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 42010344 is about 6481.5387062024. The cubic root of 42010344 is about 347.6311986698.

Adding to 42010344 its reverse (44301024), we get a palindrome (86311368).

The spelling of 42010344 in words is "forty-two million, ten thousand, three hundred forty-four".