1235227040256 has 240 divisors, whose sum is σ = 3625238719872. Its totient is φ = 373466480640.

The previous prime is 1235227040249. The next prime is 1235227040309. The reversal of 1235227040256 is 6520407225321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84928921 + ... + 84943463.

Almost surely, 2^{1235227040256} is an apocalyptic number.

1235227040256 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 1235227040256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1812619359936).

1235227040256 is an abundant number, since it is smaller than the sum of its proper divisors (2390011679616).

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

1235227040256 is a wasteful number, since it uses less digits than its factorization.

1235227040256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15043 (or 15016 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 1235227040256 in words is "one trillion, two hundred thirty-five billion, two hundred twenty-seven million, forty thousand, two hundred fifty-six".