4081988835 has 24 divisors (see below), whose sum is σ = 7138070784. Its totient is φ = 2157792000.

The previous prime is 4081988783. The next prime is 4081988837. The reversal of 4081988835 is 5388891804.

It is not a de Polignac number, because 4081988835 - 2⁷ = 4081988707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4081988837) 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, 396291 + ... + 406460.

It is an arithmetic number, because the mean of its divisors is an integer number (297419616).

Almost surely, 2^4081988835 is an apocalyptic number.

4081988835 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4081988835 is a deficient number, since it is larger than the sum of its proper divisors (3056081949).

4081988835 is a wasteful number, since it uses less digits than its factorization.

4081988835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802875 (or 802872 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The square root of 4081988835 is about 63890.4440037788. Note that the first 3 decimals coincide. The cubic root of 4081988835 is about 1598.1735453904.

The spelling of 4081988835 in words is "four billion, eighty-one million, nine hundred eighty-eight thousand, eight hundred thirty-five".