3256404620 has 96 divisors (see below), whose sum is σ = 8069580288. Its totient is φ = 1080640512.

The previous prime is 3256404601. The next prime is 3256404629. The reversal of 3256404620 is 264046523.

It is not an unprimeable number, because it can be changed into a prime (3256404629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 677867 + ... + 682653.

It is an arithmetic number, because the mean of its divisors is an integer number (84058128).

Almost surely, 2^3256404620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3256404620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4034790144).

3256404620 is an abundant number, since it is smaller than the sum of its proper divisors (4813175668).

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

3256404620 is a wasteful number, since it uses less digits than its factorization.

3256404620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4959 (or 4957 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 3256404620 is about 57064.9158415221. The cubic root of 3256404620 is about 1482.2204040345.

The spelling of 3256404620 in words is "three billion, two hundred fifty-six million, four hundred four thousand, six hundred twenty".