4392161280 has 624 divisors, whose sum is σ = 17267938560. Its totient is φ = 1058144256.

The previous prime is 4392161231. The next prime is 4392161297. The reversal of 4392161280 is 821612934.

4392161280 is a `hidden beast` number, since 4 + 39 + 2 + 1 + 612 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (624).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93450217 + ... + 93450263.

Almost surely, 2^4392161280 is an apocalyptic number.

4392161280 is a gapful number since it is divisible by the number (40) 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 4392161280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8633969280).

4392161280 is an abundant number, since it is smaller than the sum of its proper divisors (12875777280).

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

4392161280 is a wasteful number, since it uses less digits than its factorization.

4392161280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 4392161280 is about 66273.3828923800. The cubic root of 4392161280 is about 1637.6688673042.

The spelling of 4392161280 in words is "four billion, three hundred ninety-two million, one hundred sixty-one thousand, two hundred eighty".