420044024442 has 64 divisors (see below), whose sum is σ = 1016783539200. Its totient is φ = 112930081536.

The previous prime is 420044024431. The next prime is 420044024447. The reversal of 420044024442 is 244420440024.

It is a super-3 number, since 3×420044024442³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (420044024447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3617809 + ... + 3732107.

It is an arithmetic number, because the mean of its divisors is an integer number (15887242800).

Almost surely, 2^420044024442 is an apocalyptic number.

420044024442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

420044024442 is an abundant number, since it is smaller than the sum of its proper divisors (596739514758).

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

420044024442 is a wasteful number, since it uses less digits than its factorization.

420044024442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119475.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 420044024442 its reverse (244420440024), we get a palindrome (664464464466).

The spelling of 420044024442 in words is "four hundred twenty billion, forty-four million, twenty-four thousand, four hundred forty-two".