3255066961920 has 1152 divisors, whose sum is σ = 11926881832320. Its totient is φ = 820280033280.

The previous prime is 3255066961903. The next prime is 3255066961933. The reversal of 3255066961920 is 291696605523.

It is a happy number.

3255066961920 is a `hidden beast` number, since 3 + 2 + 550 + 6 + 6 + 9 + 61 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30421186507 + ... + 30421186613.

It is an arithmetic number, because the mean of its divisors is an integer number (10353196035).

Almost surely, 2^{3255066961920} is an apocalyptic number.

3255066961920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3255066961920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5963440916160).

3255066961920 is an abundant number, since it is smaller than the sum of its proper divisors (8671814870400).

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

3255066961920 is a wasteful number, since it uses less digits than its factorization.

3255066961920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 3255066961920 in words is "three trillion, two hundred fifty-five billion, sixty-six million, nine hundred sixty-one thousand, nine hundred twenty".