264351320634 has 24 divisors (see below), whose sum is σ = 533422985472. Its totient is φ = 87337284160.

The previous prime is 264351320603. The next prime is 264351320689. The reversal of 264351320634 is 436023153462.

It is a junction number, because it is equal to n+sod(n) for n = 264351320592 and 264351320601.

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 11 ways as a sum of consecutive naturals, for example, 1648602 + ... + 1801829.

It is an arithmetic number, because the mean of its divisors is an integer number (22225957728).

Almost surely, 2^264351320634 is an apocalyptic number.

264351320634 is an abundant number, since it is smaller than the sum of its proper divisors (269071664838).

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

264351320634 is a wasteful number, since it uses less digits than its factorization.

264351320634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450662 (or 3450549 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 264351320634 in words is "two hundred sixty-four billion, three hundred fifty-one million, three hundred twenty thousand, six hundred thirty-four".