255402430 has 8 divisors (see below), whose sum is σ = 459724392. Its totient is φ = 102160968.

The previous prime is 255402421. The next prime is 255402439. The reversal of 255402430 is 34204552.

It is an interprime number because it is at equal distance from previous prime (255402421) and next prime (255402439).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 255402395 and 255402404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255402439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12770112 + ... + 12770131.

It is an arithmetic number, because the mean of its divisors is an integer number (57465549).

Almost surely, 2^255402430 is an apocalyptic number.

255402430 is a deficient number, since it is larger than the sum of its proper divisors (204321962).

255402430 is a wasteful number, since it uses less digits than its factorization.

255402430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25540250.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 255402430 is about 15981.3150272435. The cubic root of 255402430 is about 634.4659820974.

Adding to 255402430 its reverse (34204552), we get a palindrome (289606982).

The spelling of 255402430 in words is "two hundred fifty-five million, four hundred two thousand, four hundred thirty".