4031940487 has 4 divisors (see below), whose sum is σ = 4044822400. Its totient is φ = 4019058576.

The previous prime is 4031940481. The next prime is 4031940511. The reversal of 4031940487 is 7840491304.

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 4031940487 - 2¹¹ = 4031938439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031940481) 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, 6440487 + ... + 6441112.

It is an arithmetic number, because the mean of its divisors is an integer number (1011205600).

Almost surely, 2^4031940487 is an apocalyptic number.

4031940487 is a deficient number, since it is larger than the sum of its proper divisors (12881913).

4031940487 is a wasteful number, since it uses less digits than its factorization.

4031940487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12881912.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 4031940487 is about 63497.5628429942. The cubic root of 4031940487 is about 1591.6150522460.

The spelling of 4031940487 in words is "four billion, thirty-one million, nine hundred forty thousand, four hundred eighty-seven".