264009212608 has 112 divisors (see below), whose sum is σ = 556485552000. Its totient is φ = 124051128320.

The previous prime is 264009212573. The next prime is 264009212609. The reversal of 264009212608 is 806212900462.

It is a super-2 number, since 2×264009212608² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (264009212609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34163241 + ... + 34170967.

It is an arithmetic number, because the mean of its divisors is an integer number (4968621000).

Almost surely, 2^264009212608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264009212608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278242776000).

264009212608 is an abundant number, since it is smaller than the sum of its proper divisors (292476339392).

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

264009212608 is a wasteful number, since it uses less digits than its factorization.

264009212608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8258 (or 8248 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 264009212608 in words is "two hundred sixty-four billion, nine million, two hundred twelve thousand, six hundred eight".