234342440420 has 48 divisors (see below), whose sum is σ = 538320238848. Its totient is φ = 84983208960.

The previous prime is 234342440419. The next prime is 234342440477. The reversal of 234342440420 is 24044243432.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1370477 + ... + 1531956.

It is an arithmetic number, because the mean of its divisors is an integer number (11215004976).

Almost surely, 2^234342440420 is an apocalyptic number.

234342440420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234342440420 is an abundant number, since it is smaller than the sum of its proper divisors (303977798428).

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

234342440420 is a wasteful number, since it uses less digits than its factorization.

234342440420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902820 (or 2902818 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 234342440420 its reverse (24044243432), we get a palindrome (258386683852).

The spelling of 234342440420 in words is "two hundred thirty-four billion, three hundred forty-two million, four hundred forty thousand, four hundred twenty".