4021881094 has 48 divisors (see below), whose sum is σ = 7673306256. Its totient is φ = 1563374400.

The previous prime is 4021881077. The next prime is 4021881103. The reversal of 4021881094 is 4901881204.

4021881094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492912 + ... + 501004.

It is an arithmetic number, because the mean of its divisors is an integer number (159860547).

Almost surely, 2^4021881094 is an apocalyptic number.

4021881094 is a deficient number, since it is larger than the sum of its proper divisors (3651425162).

4021881094 is a wasteful number, since it uses less digits than its factorization.

4021881094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8581 (or 8574 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 4021881094 is about 63418.3025159141. The cubic root of 4021881094 is about 1590.2902960061.

It can be divided in two parts, 4021 and 881094, that added together give a triangular number (885115 = T₁₃₃₀).

The spelling of 4021881094 in words is "four billion, twenty-one million, eight hundred eighty-one thousand, ninety-four".