255422611642 has 16 divisors (see below), whose sum is σ = 418255996032. Its totient is φ = 116020153120.

The previous prime is 255422611579. The next prime is 255422611657. The reversal of 255422611642 is 246116224552.

It is a junction number, because it is equal to n+sod(n) for n = 255422611595 and 255422611604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4019458 + ... + 4082509.

It is an arithmetic number, because the mean of its divisors is an integer number (26140999752).

Almost surely, 2^255422611642 is an apocalyptic number.

255422611642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

255422611642 is a deficient number, since it is larger than the sum of its proper divisors (162833384390).

255422611642 is a wasteful number, since it uses less digits than its factorization.

255422611642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103413.

The product of its digits is 230400, while the sum is 40.

The spelling of 255422611642 in words is "two hundred fifty-five billion, four hundred twenty-two million, six hundred eleven thousand, six hundred forty-two".