234334221440 has 64 divisors (see below), whose sum is σ = 611133016320. Its totient is φ = 85212441600.

The previous prime is 234334221427. The next prime is 234334221559. The reversal of 234334221440 is 44122433432.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 234334221397 and 234334221406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16636016 + ... + 16650095.

It is an arithmetic number, because the mean of its divisors is an integer number (9548953380).

Almost surely, 2^234334221440 is an apocalyptic number.

234334221440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234334221440 is an abundant number, since it is smaller than the sum of its proper divisors (376798794880).

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

234334221440 is a wasteful number, since it uses less digits than its factorization.

234334221440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33286141 (or 33286129 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 234334221440 its reverse (44122433432), we get a palindrome (278456654872).

The spelling of 234334221440 in words is "two hundred thirty-four billion, three hundred thirty-four million, two hundred twenty-one thousand, four hundred forty".