234434404440 has 128 divisors (see below), whose sum is σ = 786242764800. Its totient is φ = 62132261760.

The previous prime is 234434404427. The next prime is 234434404441. The reversal of 234434404440 is 44404434432.

234434404440 is a `hidden beast` number, since 234 + 4 + 344 + 0 + 44 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 234434404395 and 234434404404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234434404441) 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, 489816 + ... + 841895.

It is an arithmetic number, because the mean of its divisors is an integer number (6142521600).

Almost surely, 2^234434404440 is an apocalyptic number.

234434404440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234434404440 is an abundant number, since it is smaller than the sum of its proper divisors (551808360360).

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

234434404440 is a wasteful number, since it uses less digits than its factorization.

234434404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331894 (or 1331884 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 234434404440 its reverse (44404434432), we get a palindrome (278838838872).

The spelling of 234434404440 in words is "two hundred thirty-four billion, four hundred thirty-four million, four hundred four thousand, four hundred forty".