4108881394 has 16 divisors (see below), whose sum is σ = 6288543576. Its totient is φ = 2013120000.

The previous prime is 4108881377. The next prime is 4108881397. The reversal of 4108881394 is 4931888014.

It can be written as a sum of positive squares in 4 ways, for example, as 4088963025 + 19918369 = 63945^2 + 4463^2 .

It is not an unprimeable number, because it can be changed into a prime (4108881397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85257 + ... + 124444.

Almost surely, 2^4108881394 is an apocalyptic number.

4108881394 is a deficient number, since it is larger than the sum of its proper divisors (2179662182).

4108881394 is a wasteful number, since it uses less digits than its factorization.

4108881394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209901.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 4108881394 is about 64100.5568930567. The cubic root of 4108881394 is about 1601.6755096484.

The spelling of 4108881394 in words is "four billion, one hundred eight million, eight hundred eighty-one thousand, three hundred ninety-four".