4394173872 has 320 divisors, whose sum is σ = 13703551488. Its totient is φ = 1198080000.

The previous prime is 4394173859. The next prime is 4394173879. The reversal of 4394173872 is 2783714934.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (4394173879) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33543247 + ... + 33543377.

Almost surely, 2^4394173872 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 4394173872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6851775744).

4394173872 is an abundant number, since it is smaller than the sum of its proper divisors (9309377616).

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

4394173872 is a wasteful number, since it uses less digits than its factorization.

4394173872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 302 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 4394173872 is about 66288.5651677573. The cubic root of 4394173872 is about 1637.9189686211.

The spelling of 4394173872 in words is "four billion, three hundred ninety-four million, one hundred seventy-three thousand, eight hundred seventy-two".