264404466420 has 96 divisors (see below), whose sum is σ = 769966579200. Its totient is φ = 67733812224.

The previous prime is 264404466407. The next prime is 264404466461. The reversal of 264404466420 is 24664404462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578425 + ... + 929184.

It is an arithmetic number, because the mean of its divisors is an integer number (8020485200).

Almost surely, 2^264404466420 is an apocalyptic number.

264404466420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264404466420 is an abundant number, since it is smaller than the sum of its proper divisors (505562112780).

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

264404466420 is a wasteful number, since it uses less digits than its factorization.

264404466420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507737 (or 1507735 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 264404466420 in words is "two hundred sixty-four billion, four hundred four million, four hundred sixty-six thousand, four hundred twenty".