255030499990 has 32 divisors (see below), whose sum is σ = 524679056640. Its totient is φ = 87431547744.

The previous prime is 255030499981. The next prime is 255030500047. The reversal of 255030499990 is 99994030552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701641 + ... + 1001179.

It is an arithmetic number, because the mean of its divisors is an integer number (16396220520).

Almost surely, 2^255030499990 is an apocalyptic number.

255030499990 is an abundant number, since it is smaller than the sum of its proper divisors (269648556650).

255030499990 is a wasteful number, since it uses less digits than its factorization.

255030499990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311716.

The product of its (nonzero) digits is 3936600, while the sum is 55.

The spelling of 255030499990 in words is "two hundred fifty-five billion, thirty million, four hundred ninety-nine thousand, nine hundred ninety".