4094451840 has 128 divisors (see below), whose sum is σ = 13094939520. Its totient is φ = 1088184320.

The previous prime is 4094451833. The next prime is 4094451841. The reversal of 4094451840 is 481544904.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (4094451841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593692 + ... + 600548.

It is an arithmetic number, because the mean of its divisors is an integer number (102304215).

Almost surely, 2^4094451840 is an apocalyptic number.

4094451840 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 4094451840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6547469760).

4094451840 is an abundant number, since it is smaller than the sum of its proper divisors (9000487680).

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

4094451840 is a wasteful number, since it uses less digits than its factorization.

4094451840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7190 (or 7178 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 4094451840 is about 63987.9038569010. The cubic root of 4094451840 is about 1599.7983912639.

The spelling of 4094451840 in words is "four billion, ninety-four million, four hundred fifty-one thousand, eight hundred forty".