264250000 has 140 divisors (see below), whose sum is σ = 736240576. Its totient is φ = 90000000.

The previous prime is 264249977. The next prime is 264250031. The reversal of 264250000 is 52462.

It is a tau number, because it is divible by the number of its divisors (140).

It is a self number, because there is not a number n which added to its sum of digits gives 264250000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1749925 + ... + 1750075.

Almost surely, 2^264250000 is an apocalyptic number.

264250000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368120288).

264250000 is an abundant number, since it is smaller than the sum of its proper divisors (471990576).

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

264250000 is an frugal number, since it uses more digits than its factorization.

264250000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 264250000 is about 16255.7682070089. The cubic root of 264250000 is about 641.7092979678.

The spelling of 264250000 in words is "two hundred sixty-four million, two hundred fifty thousand".