264343420 has 48 divisors (see below), whose sum is σ = 606979296. Its totient is φ = 95904000.

The previous prime is 264343399. The next prime is 264343483. The reversal of 264343420 is 24343462.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117910 + ... + 120130.

It is an arithmetic number, because the mean of its divisors is an integer number (12645402).

Almost surely, 2^264343420 is an apocalyptic number.

264343420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264343420 is an abundant number, since it is smaller than the sum of its proper divisors (342635876).

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

264343420 is a wasteful number, since it uses less digits than its factorization.

264343420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782 (or 2780 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 264343420 is about 16258.6413946553. The cubic root of 264343420 is about 641.7849099760.

Adding to 264343420 its reverse (24343462), we get a palindrome (288686882).

The spelling of 264343420 in words is "two hundred sixty-four million, three hundred forty-three thousand, four hundred twenty".