4394271336 has 128 divisors (see below), whose sum is σ = 13624934400. Its totient is φ = 1150007040.

The previous prime is 4394271319. The next prime is 4394271347. The reversal of 4394271336 is 6331724934.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278425 + ... + 293783.

It is an arithmetic number, because the mean of its divisors is an integer number (106444800).

Almost surely, 2^4394271336 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 4394271336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6812467200).

4394271336 is an abundant number, since it is smaller than the sum of its proper divisors (9230663064).

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

4394271336 is a wasteful number, since it uses less digits than its factorization.

4394271336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15519 (or 15515 counting only the distinct ones).

The product of its digits is 326592, while the sum is 42.

The square root of 4394271336 is about 66289.3003130973. The cubic root of 4394271336 is about 1637.9310783645.

The spelling of 4394271336 in words is "four billion, three hundred ninety-four million, two hundred seventy-one thousand, three hundred thirty-six".