264944940 has 48 divisors (see below), whose sum is σ = 798913248. Its totient is φ = 65217024.

The previous prime is 264944929. The next prime is 264944989. The reversal of 264944940 is 49449462.

It is a super-3 number, since 3×264944940³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264944892 and 264944901.

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, 169057 + ... + 170616.

It is an arithmetic number, because the mean of its divisors is an integer number (16644026).

Almost surely, 2^264944940 is an apocalyptic number.

264944940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264944940 is an abundant number, since it is smaller than the sum of its proper divisors (533968308).

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

264944940 is a wasteful number, since it uses less digits than its factorization.

264944940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339698 (or 339696 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 264944940 is about 16277.1293537896. The cubic root of 264944940 is about 642.2713403541.

The spelling of 264944940 in words is "two hundred sixty-four million, nine hundred forty-four thousand, nine hundred forty".