402425441142255 has 48 divisors (see below), whose sum is σ = 717797241401760. Its totient is φ = 208415906889984.

The previous prime is 402425441142251. The next prime is 402425441142349. The reversal of 402425441142255 is 552241144524204.

402425441142255 is a `hidden beast` number, since 4 + 0 + 2 + 4 + 2 + 5 + 4 + 411 + 4 + 225 + 5 = 666.

It is not a de Polignac number, because 402425441142255 - 2² = 402425441142251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 402425441142255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402425441142251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 236575857 + ... + 238270826.

It is an arithmetic number, because the mean of its divisors is an integer number (14954109195870).

Almost surely, 2^{402425441142255} is an apocalyptic number.

402425441142255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

402425441142255 is a deficient number, since it is larger than the sum of its proper divisors (315371800259505).

402425441142255 is a wasteful number, since it uses less digits than its factorization.

402425441142255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474847240 (or 474847237 counting only the distinct ones).

The product of its (nonzero) digits is 2048000, while the sum is 45.

Adding to 402425441142255 its reverse (552241144524204), we get a palindrome (954666585666459).

The spelling of 402425441142255 in words is "four hundred two trillion, four hundred twenty-five billion, four hundred forty-one million, one hundred forty-two thousand, two hundred fifty-five".