4406732381 has 16 divisors (see below), whose sum is σ = 4627767600. Its totient is φ = 4190473728.

The previous prime is 4406732269. The next prime is 4406732413. The reversal of 4406732381 is 1832376044.

It can be written as a sum of positive squares in 8 ways, for example, as 208340356 + 4198392025 = 14434^2 + 64795^2 .

It is a cyclic number.

It is not a de Polignac number, because 4406732381 - 2¹⁴ = 4406715997 is a prime.

It is a super-2 number, since 2×4406732381² = 38838580555507858322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4406732881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2346815 + ... + 2348691.

It is an arithmetic number, because the mean of its divisors is an integer number (289235475).

Almost surely, 2^4406732381 is an apocalyptic number.

It is an amenable number.

4406732381 is a deficient number, since it is larger than the sum of its proper divisors (221035219).

4406732381 is a wasteful number, since it uses less digits than its factorization.

4406732381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 4406732381 is about 66383.2236412183. The cubic root of 4406732381 is about 1639.4778702973.

The spelling of 4406732381 in words is "four billion, four hundred six million, seven hundred thirty-two thousand, three hundred eighty-one".