264397650 has 96 divisors (see below), whose sum is σ = 746523648. Its totient is φ = 61300800.

The previous prime is 264397631. The next prime is 264397687. The reversal of 264397650 is 56793462.

264397650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×264397650² = 139812234651045000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34467 + ... + 41433.

It is an arithmetic number, because the mean of its divisors is an integer number (7776288).

Almost surely, 2^264397650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264397650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373261824).

264397650 is an abundant number, since it is smaller than the sum of its proper divisors (482125998).

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

264397650 is a wasteful number, since it uses less digits than its factorization.

264397650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016 (or 7011 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 264397650 is about 16260.3090376536. The cubic root of 264397650 is about 641.8287943240.

The spelling of 264397650 in words is "two hundred sixty-four million, three hundred ninety-seven thousand, six hundred fifty".