42012423400 has 48 divisors (see below), whose sum is σ = 97708701600. Its totient is φ = 16799839680.

The previous prime is 42012423379. The next prime is 42012423413. The reversal of 42012423400 is 432421024.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 662271 + ... + 722929.

It is an arithmetic number, because the mean of its divisors is an integer number (2035597950).

Almost surely, 2^42012423400 is an apocalyptic number.

42012423400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42012423400 is an abundant number, since it is smaller than the sum of its proper divisors (55696278200).

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

42012423400 is a wasteful number, since it uses less digits than its factorization.

42012423400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64138 (or 64129 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 42012423400 its reverse (432421024), we get a palindrome (42444844424).

The spelling of 42012423400 in words is "forty-two billion, twelve million, four hundred twenty-three thousand, four hundred".