4081528408 has 16 divisors (see below), whose sum is σ = 7653877560. Its totient is φ = 2040494400.

The previous prime is 4081528391. The next prime is 4081528421. The reversal of 4081528408 is 8048251804.

It is a super-2 number, since 2×4081528408² = 33317748290622028928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40063 + ... + 98833.

Almost surely, 2^4081528408 is an apocalyptic number.

It is an amenable number.

4081528408 is a deficient number, since it is larger than the sum of its proper divisors (3572349152).

4081528408 is a wasteful number, since it uses less digits than its factorization.

4081528408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67458 (or 67454 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 40.

The square root of 4081528408 is about 63886.8406481335. The cubic root of 4081528408 is about 1598.1134545908.

The spelling of 4081528408 in words is "four billion, eighty-one million, five hundred twenty-eight thousand, four hundred eight".