42200440 has 32 divisors (see below), whose sum is σ = 95832000. Its totient is φ = 16723584.

The previous prime is 42200429. The next prime is 42200441. The reversal of 42200440 is 4400224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42200441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480 + ... + 9199.

It is an arithmetic number, because the mean of its divisors is an integer number (2994750).

Almost surely, 2^42200440 is an apocalyptic number.

42200440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42200440 is an abundant number, since it is smaller than the sum of its proper divisors (53631560).

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

42200440 is a wasteful number, since it uses less digits than its factorization.

42200440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9799 (or 9795 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 42200440 is about 6496.1865736754. The cubic root of 42200440 is about 348.1547512734.

Adding to 42200440 its reverse (4400224), we get a palindrome (46600664).

The spelling of 42200440 in words is "forty-two million, two hundred thousand, four hundred forty".