264620268 has 108 divisors (see below), whose sum is σ = 746222568. Its totient is φ = 78405120.

The previous prime is 264620261. The next prime is 264620269. The reversal of 264620268 is 862026462.

264620268 is a `hidden beast` number, since 2 + 6 + 4 + 620 + 26 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (264620261) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2727996 + ... + 2728092.

Almost surely, 2^264620268 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 264620268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373111284).

264620268 is an abundant number, since it is smaller than the sum of its proper divisors (481602300).

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

264620268 is a wasteful number, since it uses less digits than its factorization.

264620268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 264620268 is about 16267.1530391768. The cubic root of 264620268 is about 642.0088798376.

The spelling of 264620268 in words is "two hundred sixty-four million, six hundred twenty thousand, two hundred sixty-eight".