4081609938 has 48 divisors (see below), whose sum is σ = 9501088320. Its totient is φ = 1165548384.

The previous prime is 4081609937. The next prime is 4081609957. The reversal of 4081609938 is 8399061804.

4081609938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4081609937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1091520 + ... + 1095252.

It is an arithmetic number, because the mean of its divisors is an integer number (197939340).

Almost surely, 2^4081609938 is an apocalyptic number.

4081609938 is an abundant number, since it is smaller than the sum of its proper divisors (5419478382).

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

4081609938 is a wasteful number, since it uses less digits than its factorization.

4081609938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7471 (or 7464 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 4081609938 is about 63887.4787262731. The cubic root of 4081609938 is about 1598.1240954839.

The spelling of 4081609938 in words is "four billion, eighty-one million, six hundred nine thousand, nine hundred thirty-eight".