3230355840 has 64 divisors (see below), whose sum is σ = 10296765360. Its totient is φ = 861427712.

The previous prime is 3230355839. The next prime is 3230355857. The reversal of 3230355840 is 485530323.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839319 + ... + 843158.

Almost surely, 2^3230355840 is an apocalyptic number.

3230355840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3230355840 is an abundant number, since it is smaller than the sum of its proper divisors (7066409520).

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

3230355840 is a wasteful number, since it uses less digits than its factorization.

3230355840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682499 (or 1682487 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 3230355840 is about 56836.2194379605. The cubic root of 3230355840 is about 1478.2576037398.

The spelling of 3230355840 in words is "three billion, two hundred thirty million, three hundred fifty-five thousand, eight hundred forty".