4001149857 has 8 divisors (see below), whose sum is σ = 5338024384. Its totient is φ = 2665854288.

The previous prime is 4001149843. The next prime is 4001149891. The reversal of 4001149857 is 7589411004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4001149857 - 2¹⁴ = 4001133473 is a prime.

It is a super-2 number, since 2×4001149857² = 32018400356342240898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4001149837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388813 + ... + 398970.

It is an arithmetic number, because the mean of its divisors is an integer number (667253048).

Almost surely, 2^4001149857 is an apocalyptic number.

It is an amenable number.

4001149857 is a deficient number, since it is larger than the sum of its proper divisors (1336874527).

4001149857 is a wasteful number, since it uses less digits than its factorization.

4001149857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789479.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 4001149857 is about 63254.6429679277. The cubic root of 4001149857 is about 1587.5531444130.

The spelling of 4001149857 in words is "four billion, one million, one hundred forty-nine thousand, eight hundred fifty-seven".