42244404 has 24 divisors (see below), whose sum is σ = 100863840. Its totient is φ = 13753824.

The previous prime is 42244393. The next prime is 42244421. The reversal of 42244404 is 40444224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40419 + ... + 41450.

It is an arithmetic number, because the mean of its divisors is an integer number (4202660).

Almost surely, 2^42244404 is an apocalyptic number.

It is an amenable number.

42244404 is an abundant number, since it is smaller than the sum of its proper divisors (58619436).

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

42244404 is a wasteful number, since it uses less digits than its factorization.

42244404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81919 (or 81917 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 42244404 is about 6499.5695242070. The cubic root of 42244404 is about 348.2756107024.

Adding to 42244404 its reverse (40444224), we get a palindrome (82688628).

The spelling of 42244404 in words is "forty-two million, two hundred forty-four thousand, four hundred four".