255423124402 has 8 divisors (see below), whose sum is σ = 390363643116. Its totient is φ = 125301910032.

The previous prime is 255423124399. The next prime is 255423124409. The reversal of 255423124402 is 204421324552.

It can be written as a sum of positive squares in 2 ways, for example, as 244588604481 + 10834519921 = 494559^2 + 104089^2 .

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

It is not an unprimeable number, because it can be changed into a prime (255423124409) 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, 1204825953 + ... + 1204826164.

Almost surely, 2^255423124402 is an apocalyptic number.

255423124402 is a deficient number, since it is larger than the sum of its proper divisors (134940518714).

255423124402 is a wasteful number, since it uses less digits than its factorization.

255423124402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409652172.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 255423124402 its reverse (204421324552), we get a palindrome (459844448954).

The spelling of 255423124402 in words is "two hundred fifty-five billion, four hundred twenty-three million, one hundred twenty-four thousand, four hundred two".