2234534344440 has 256 divisors, whose sum is σ = 7271953113600. Its totient is φ = 547376154624.

The previous prime is 2234534344423. The next prime is 2234534344447. The reversal of 2234534344440 is 444434354322.

It is a junction number, because it is equal to n+sod(n) for n = 2234534344392 and 2234534344401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2234534344447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24672279 + ... + 24762681.

It is an arithmetic number, because the mean of its divisors is an integer number (28406066850).

Almost surely, 2^{2234534344440} is an apocalyptic number.

2234534344440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2234534344440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3635976556800).

2234534344440 is an abundant number, since it is smaller than the sum of its proper divisors (5037418769160).

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

2234534344440 is a wasteful number, since it uses less digits than its factorization.

2234534344440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90766 (or 90762 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 42.

Adding to 2234534344440 its reverse (444434354322), we get a palindrome (2678968698762).

The spelling of 2234534344440 in words is "two trillion, two hundred thirty-four billion, five hundred thirty-four million, three hundred forty-four thousand, four hundred forty".