264250390 has 8 divisors (see below), whose sum is σ = 475650720. Its totient is φ = 105700152.

The previous prime is 264250373. The next prime is 264250391. The reversal of 264250390 is 93052462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264250391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13212510 + ... + 13212529.

It is an arithmetic number, because the mean of its divisors is an integer number (59456340).

Almost surely, 2^264250390 is an apocalyptic number.

264250390 is a deficient number, since it is larger than the sum of its proper divisors (211400330).

264250390 is a wasteful number, since it uses less digits than its factorization.

264250390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26425046.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 264250390 is about 16255.7802027463. The cubic root of 264250390 is about 641.7096136619.

The spelling of 264250390 in words is "two hundred sixty-four million, two hundred fifty thousand, three hundred ninety".