255200968990 has 16 divisors (see below), whose sum is σ = 501121902960. Its totient is φ = 92800352320.

The previous prime is 255200968987. The next prime is 255200968991. The reversal of 255200968990 is 99869002552.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255200968991) 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, 1160004295 + ... + 1160004514.

It is an arithmetic number, because the mean of its divisors is an integer number (31320118935).

Almost surely, 2^255200968990 is an apocalyptic number.

255200968990 is a deficient number, since it is larger than the sum of its proper divisors (245920933970).

255200968990 is a wasteful number, since it uses less digits than its factorization.

255200968990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320008827.

The product of its (nonzero) digits is 3499200, while the sum is 55.

The spelling of 255200968990 in words is "two hundred fifty-five billion, two hundred million, nine hundred sixty-eight thousand, nine hundred ninety".