3264421520 has 40 divisors (see below), whose sum is σ = 7834617600. Its totient is φ = 1263646080.

The previous prime is 3264421513. The next prime is 3264421541. The reversal of 3264421520 is 251244623.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×3264421520² = 21312895720478220800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655670 + ... + 660629.

It is an arithmetic number, because the mean of its divisors is an integer number (195865440).

Almost surely, 2^3264421520 is an apocalyptic number.

It is an amenable number.

3264421520 is an abundant number, since it is smaller than the sum of its proper divisors (4570196080).

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

3264421520 is a wasteful number, since it uses less digits than its factorization.

3264421520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316343 (or 1316337 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 3264421520 is about 57135.1163471293. The cubic root of 3264421520 is about 1483.4357602404.

The spelling of 3264421520 in words is "three billion, two hundred sixty-four million, four hundred twenty-one thousand, five hundred twenty".