421110024342 has 64 divisors (see below), whose sum is σ = 982124711424. Its totient is φ = 117884067840.

The previous prime is 421110024341. The next prime is 421110024353. The reversal of 421110024342 is 243420011124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421110024341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338653 + ... + 978215.

It is an arithmetic number, because the mean of its divisors is an integer number (15345698616).

Almost surely, 2^421110024342 is an apocalyptic number.

421110024342 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 421110024342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491062355712).

421110024342 is an abundant number, since it is smaller than the sum of its proper divisors (561014687082).

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

421110024342 is a wasteful number, since it uses less digits than its factorization.

421110024342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639893.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 421110024342 its reverse (243420011124), we get a palindrome (664530035466).

The spelling of 421110024342 in words is "four hundred twenty-one billion, one hundred ten million, twenty-four thousand, three hundred forty-two".