255033133352340 has 384 divisors, whose sum is σ = 819981322288128. Its totient is φ = 58017439334400.

The previous prime is 255033133352321. The next prime is 255033133352357. The reversal of 255033133352340 is 43253331330552.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 255033133352292 and 255033133352301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 170819244634 + ... + 170819246126.

It is an arithmetic number, because the mean of its divisors is an integer number (2135368026792).

Almost surely, 2^{255033133352340} is an apocalyptic number.

255033133352340 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 255033133352340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409990661144064).

255033133352340 is an abundant number, since it is smaller than the sum of its proper divisors (564948188935788).

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

255033133352340 is a wasteful number, since it uses less digits than its factorization.

255033133352340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3747 (or 3745 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 42.

Adding to 255033133352340 its reverse (43253331330552), we get a palindrome (298286464682892).

The spelling of 255033133352340 in words is "two hundred fifty-five trillion, thirty-three billion, one hundred thirty-three million, three hundred fifty-two thousand, three hundred forty".