264640506006 has 16 divisors (see below), whose sum is σ = 530486668800. Its totient is φ = 88012559208.

The previous prime is 264640505971. The next prime is 264640506073. The reversal of 264640506006 is 600605046462.

It is a super-2 number, since 2×264640506006² (a number of 24 digits) contains 22 as substring.

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, 50232846 + ... + 50238113.

It is an arithmetic number, because the mean of its divisors is an integer number (33155416800).

Almost surely, 2^264640506006 is an apocalyptic number.

264640506006 is an abundant number, since it is smaller than the sum of its proper divisors (265846162794).

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

264640506006 is a wasteful number, since it uses less digits than its factorization.

264640506006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100471403.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 264640506006 in words is "two hundred sixty-four billion, six hundred forty million, five hundred six thousand, six".