255697287300 has 1296 divisors, whose sum is σ = 1084536001920. Its totient is φ = 50592522240.

The previous prime is 255697287277. The next prime is 255697287301. The reversal of 255697287300 is 3782796552.

255697287300 is a `hidden beast` number, since 2 + 5 + 56 + 9 + 7 + 287 + 300 = 666.

It is a super-2 number, since 2×255697287300² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (255697287301) by changing a digit.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 923094762 + ... + 923095038.

Almost surely, 2^255697287300 is an apocalyptic number.

255697287300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255697287300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542268000960).

255697287300 is an abundant number, since it is smaller than the sum of its proper divisors (828838714620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255697287300 is a wasteful number, since it uses less digits than its factorization.

255697287300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 255697287300 in words is "two hundred fifty-five billion, six hundred ninety-seven million, two hundred eighty-seven thousand, three hundred".