264220029606 has 64 divisors (see below), whose sum is σ = 583157514240. Its totient is φ = 79290005760.

The previous prime is 264220029571. The next prime is 264220029649. The reversal of 264220029606 is 606920022462.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 11446905 + ... + 11469963.

It is an arithmetic number, because the mean of its divisors is an integer number (9111836160).

Almost surely, 2^264220029606 is an apocalyptic number.

264220029606 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 264220029606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291578757120).

264220029606 is an abundant number, since it is smaller than the sum of its proper divisors (318937484634).

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

264220029606 is a wasteful number, since it uses less digits than its factorization.

264220029606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26701.

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 264220029606 in words is "two hundred sixty-four billion, two hundred twenty million, twenty-nine thousand, six hundred six".