255103838402 has 16 divisors (see below), whose sum is σ = 440255908800. Its totient is φ = 108596455728.

The previous prime is 255103838401. The next prime is 255103838413. The reversal of 255103838402 is 204838301552.

It is a self number, because there is not a number n which added to its sum of digits gives 255103838402.

It is not an unprimeable number, because it can be changed into a prime (255103838401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61144568 + ... + 61148739.

It is an arithmetic number, because the mean of its divisors is an integer number (27515994300).

Almost surely, 2^255103838402 is an apocalyptic number.

255103838402 is a deficient number, since it is larger than the sum of its proper divisors (185152070398).

255103838402 is a wasteful number, since it uses less digits than its factorization.

255103838402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122293465.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 255103838402 in words is "two hundred fifty-five billion, one hundred three million, eight hundred thirty-eight thousand, four hundred two".