4000740827 has 4 divisors (see below), whose sum is σ = 4019701896. Its totient is φ = 3981779760.

The previous prime is 4000740823. The next prime is 4000740839. The reversal of 4000740827 is 7280470004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4000740827 - 2² = 4000740823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4000740793 and 4000740802.

It is not an unprimeable number, because it can be changed into a prime (4000740823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9480218 + ... + 9480639.

It is an arithmetic number, because the mean of its divisors is an integer number (1004925474).

Almost surely, 2^4000740827 is an apocalyptic number.

4000740827 is a deficient number, since it is larger than the sum of its proper divisors (18961069).

4000740827 is a wasteful number, since it uses less digits than its factorization.

4000740827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18961068.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 4000740827 is about 63251.4096838956. The cubic root of 4000740827 is about 1587.4990450487.

The spelling of 4000740827 in words is "four billion, seven hundred forty thousand, eight hundred twenty-seven".