256412240022 has 16 divisors (see below), whose sum is σ = 512862298560. Its totient is φ = 85464443592.

The previous prime is 256412239999. The next prime is 256412240059. The reversal of 256412240022 is 220042214652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487248 + ... + 1650675.

It is an arithmetic number, because the mean of its divisors is an integer number (32053893660).

Almost surely, 2^256412240022 is an apocalyptic number.

256412240022 is an abundant number, since it is smaller than the sum of its proper divisors (256450058538).

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

256412240022 is a wasteful number, since it uses less digits than its factorization.

256412240022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151547.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 256412240022 its reverse (220042214652), we get a palindrome (476454454674).

The spelling of 256412240022 in words is "two hundred fifty-six billion, four hundred twelve million, two hundred forty thousand, twenty-two".