42826004 has 36 divisors (see below), whose sum is σ = 83495412. Its totient is φ = 19105920.

The previous prime is 42825997. The next prime is 42826013. The reversal of 42826004 is 40062824.

It can be written as a sum of positive squares in 2 ways, for example, as 23990404 + 18835600 = 4898^2 + 4340^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49544 + ... + 50400.

It is an arithmetic number, because the mean of its divisors is an integer number (2319317).

Almost surely, 2^42826004 is an apocalyptic number.

It is an amenable number.

42826004 is a deficient number, since it is larger than the sum of its proper divisors (40669408).

42826004 is a wasteful number, since it uses less digits than its factorization.

42826004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 42826004 is about 6544.1580054274. The cubic root of 42826004 is about 349.8666267334.

Adding to 42826004 its reverse (40062824), we get a palindrome (82888828).

The spelling of 42826004 in words is "forty-two million, eight hundred twenty-six thousand, four".