3929224481280 has 1280 divisors, whose sum is σ = 17235504000000. Its totient is φ = 845191839744.

The previous prime is 3929224481201. The next prime is 3929224481309. The reversal of 3929224481280 is 821844229293.

3929224481280 is a `hidden beast` number, since 3 + 92 + 9 + 22 + 448 + 12 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 403033846 + ... + 403043594.

It is an arithmetic number, because the mean of its divisors is an integer number (13465237500).

Almost surely, 2^{3929224481280} is an apocalyptic number.

3929224481280 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 3929224481280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8617752000000).

3929224481280 is an abundant number, since it is smaller than the sum of its proper divisors (13306279518720).

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

3929224481280 is an equidigital number, since it uses as much as digits as its factorization.

3929224481280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9819 (or 9783 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 3929224481280 in words is "three trillion, nine hundred twenty-nine billion, two hundred twenty-four million, four hundred eighty-one thousand, two hundred eighty".