255219896 has 8 divisors (see below), whose sum is σ = 478537320. Its totient is φ = 127609944.

The previous prime is 255219859. The next prime is 255219911. The reversal of 255219896 is 698912552.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 255219896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15951236 + ... + 15951251.

It is an arithmetic number, because the mean of its divisors is an integer number (59817165).

Almost surely, 2^255219896 is an apocalyptic number.

It is an amenable number.

255219896 is a deficient number, since it is larger than the sum of its proper divisors (223317424).

255219896 is a wasteful number, since it uses less digits than its factorization.

255219896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31902493 (or 31902489 counting only the distinct ones).

The product of its digits is 388800, while the sum is 47.

The square root of 255219896 is about 15975.6031498031. The cubic root of 255219896 is about 634.3147968817.

The spelling of 255219896 in words is "two hundred fifty-five million, two hundred nineteen thousand, eight hundred ninety-six".