42400522 has 8 divisors (see below), whose sum is σ = 63631296. Its totient is φ = 21190092.

The previous prime is 42400513. The next prime is 42400531. The reversal of 42400522 is 22500424.

42400522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42400513) and next prime (42400531).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42400522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233 + ... + 9475.

It is an arithmetic number, because the mean of its divisors is an integer number (7953912).

Almost surely, 2^42400522 is an apocalyptic number.

42400522 is a deficient number, since it is larger than the sum of its proper divisors (21230774).

42400522 is a wasteful number, since it uses less digits than its factorization.

42400522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10172.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 42400522 is about 6511.5683210729. The cubic root of 42400522 is about 348.7041112440.

Adding to 42400522 its reverse (22500424), we get a palindrome (64900946).

The spelling of 42400522 in words is "forty-two million, four hundred thousand, five hundred twenty-two".