264412336221 has 24 divisors (see below), whose sum is σ = 417046337760. Its totient is φ = 160097364000.

The previous prime is 264412336103. The next prime is 264412336247. The reversal of 264412336221 is 122633214462.

264412336221 is a `hidden beast` number, since 2 + 6 + 4 + 4 + 1 + 23 + 3 + 622 + 1 = 666.

It is not a de Polignac number, because 264412336221 - 2⁹ = 264412335709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264412337221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1166566 + ... + 1374663.

It is an arithmetic number, because the mean of its divisors is an integer number (17376930740).

Almost surely, 2^264412336221 is an apocalyptic number.

It is an amenable number.

264412336221 is a deficient number, since it is larger than the sum of its proper divisors (152634001539).

264412336221 is a wasteful number, since it uses less digits than its factorization.

264412336221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542297 (or 2542294 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The spelling of 264412336221 in words is "two hundred sixty-four billion, four hundred twelve million, three hundred thirty-six thousand, two hundred twenty-one".