42420462 has 48 divisors (see below), whose sum is σ = 100285056. Its totient is φ = 11718000.

The previous prime is 42420451. The next prime is 42420467. The reversal of 42420462 is 26402424.

42420462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42420467) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 39837 + ... + 40887.

It is an arithmetic number, because the mean of its divisors is an integer number (2089272).

Almost surely, 2^42420462 is an apocalyptic number.

42420462 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42420462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50142528).

42420462 is an abundant number, since it is smaller than the sum of its proper divisors (57864594).

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

42420462 is a wasteful number, since it uses less digits than its factorization.

42420462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1094 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 42420462 is about 6513.0992622560. The cubic root of 42420462 is about 348.7587652118.

Adding to 42420462 its reverse (26402424), we get a palindrome (68822886).

The spelling of 42420462 in words is "forty-two million, four hundred twenty thousand, four hundred sixty-two".