254434121232340 has 96 divisors (see below), whose sum is σ = 615882657890304. Its totient is φ = 86486840415360.

The previous prime is 254434121232307. The next prime is 254434121232353. The reversal of 254434121232340 is 43232121434452.

It is a junction number, because it is equal to n+sod(n) for n = 254434121232293 and 254434121232302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20272785 + ... + 30329095.

It is an arithmetic number, because the mean of its divisors is an integer number (6415444353024).

Almost surely, 2^{254434121232340} is an apocalyptic number.

254434121232340 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 254434121232340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307941328945152).

254434121232340 is an abundant number, since it is smaller than the sum of its proper divisors (361448536657964).

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

254434121232340 is a wasteful number, since it uses less digits than its factorization.

254434121232340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10057877 (or 10057875 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 254434121232340 its reverse (43232121434452), we get a palindrome (297666242666792).

The spelling of 254434121232340 in words is "two hundred fifty-four trillion, four hundred thirty-four billion, one hundred twenty-one million, two hundred thirty-two thousand, three hundred forty".