4091438032 has 80 divisors (see below), whose sum is σ = 9095846400. Its totient is φ = 1765670400.

The previous prime is 4091438023. The next prime is 4091438101. The reversal of 4091438032 is 2308341904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282094 + ... + 296242.

It is an arithmetic number, because the mean of its divisors is an integer number (113698080).

Almost surely, 2^4091438032 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 4091438032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4547923200).

4091438032 is an abundant number, since it is smaller than the sum of its proper divisors (5004408368).

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

4091438032 is a wasteful number, since it uses less digits than its factorization.

4091438032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14252 (or 14246 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 4091438032 is about 63964.3496957485. The cubic root of 4091438032 is about 1599.4057730863.

Adding to 4091438032 its reverse (2308341904), we get a palindrome (6399779936).

The spelling of 4091438032 in words is "four billion, ninety-one million, four hundred thirty-eight thousand, thirty-two".