264240202820 has 48 divisors (see below), whose sum is σ = 609413112000. Its totient is φ = 95442453120.

The previous prime is 264240202817. The next prime is 264240202859. The reversal of 264240202820 is 28202042462.

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, 3997730 + ... + 4063289.

It is an arithmetic number, because the mean of its divisors is an integer number (12696106500).

Almost surely, 2^264240202820 is an apocalyptic number.

264240202820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264240202820 is an abundant number, since it is smaller than the sum of its proper divisors (345172909180).

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

264240202820 is a wasteful number, since it uses less digits than its factorization.

264240202820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061188 (or 8061186 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The spelling of 264240202820 in words is "two hundred sixty-four billion, two hundred forty million, two hundred two thousand, eight hundred twenty".