234254045021440 has 72 divisors (see below), whose sum is σ = 563959925270280. Its totient is φ = 93225975177216.

The previous prime is 234254045021417. The next prime is 234254045021471. The reversal of 234254045021440 is 44120540452432.

It can be written as a sum of positive squares in 4 ways, for example, as 171440684983296 + 62813360038144 = 13093536^2 + 7925488^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 234254045021393 and 234254045021402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464242695 + ... + 464747014.

It is an arithmetic number, because the mean of its divisors is an integer number (7832776739865).

Almost surely, 2^{234254045021440} is an apocalyptic number.

234254045021440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234254045021440 is an abundant number, since it is smaller than the sum of its proper divisors (329705880248840).

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

234254045021440 is an equidigital number, since it uses as much as digits as its factorization.

234254045021440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928989927 (or 928989913 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 234254045021440 its reverse (44120540452432), we get a palindrome (278374585473872).

The spelling of 234254045021440 in words is "two hundred thirty-four trillion, two hundred fifty-four billion, forty-five million, twenty-one thousand, four hundred forty".