264215655330 has 64 divisors (see below), whose sum is σ = 698229808128. Its totient is φ = 63453652160.

The previous prime is 264215655329. The next prime is 264215655397. The reversal of 264215655330 is 33556512462.

It is a happy number.

It is a super-2 number, since 2×264215655330² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3706062 + ... + 3776681.

It is an arithmetic number, because the mean of its divisors is an integer number (10909840752).

Almost surely, 2^264215655330 is an apocalyptic number.

264215655330 is an abundant number, since it is smaller than the sum of its proper divisors (434014152798).

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

264215655330 is a wasteful number, since it uses less digits than its factorization.

264215655330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7482871.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 264215655330 in words is "two hundred sixty-four billion, two hundred fifteen million, six hundred fifty-five thousand, three hundred thirty".