4081003890 has 32 divisors (see below), whose sum is σ = 10002804480. Its totient is φ = 1065112704.

The previous prime is 4081003847. The next prime is 4081003933. The reversal of 4081003890 is 983001804.

It is an interprime number because it is at equal distance from previous prime (4081003847) and next prime (4081003933).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1445755 + ... + 1448574.

It is an arithmetic number, because the mean of its divisors is an integer number (312587640).

Almost surely, 2^4081003890 is an apocalyptic number.

4081003890 is an abundant number, since it is smaller than the sum of its proper divisors (5921800590).

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

4081003890 is a wasteful number, since it uses less digits than its factorization.

4081003890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894386.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 4081003890 is about 63882.7354611557. The cubic root of 4081003890 is about 1598.0449937023.

The spelling of 4081003890 in words is "four billion, eighty-one million, three thousand, eight hundred ninety".