1255206336 has 56 divisors (see below), whose sum is σ = 3328416000. Its totient is φ = 417476352.

The previous prime is 1255206331. The next prime is 1255206353. The reversal of 1255206336 is 6336025521.

It is a junction number, because it is equal to n+sod(n) for n = 1255206297 and 1255206306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255206331) 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, 82665 + ... + 96663.

It is an arithmetic number, because the mean of its divisors is an integer number (59436000).

Almost surely, 2^1255206336 is an apocalyptic number.

1255206336 is a gapful number since it is divisible by the number (16) 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 1255206336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1664208000).

1255206336 is an abundant number, since it is smaller than the sum of its proper divisors (2073209664).

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

1255206336 is a wasteful number, since it uses less digits than its factorization.

1255206336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14481 (or 14471 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 1255206336 is about 35428.8912612292. The cubic root of 1255206336 is about 1078.7108348866.

The spelling of 1255206336 in words is "one billion, two hundred fifty-five million, two hundred six thousand, three hundred thirty-six".