4000730631 has 8 divisors (see below), whose sum is σ = 5351351280. Its totient is φ = 2658631872.

The previous prime is 4000730627. The next prime is 4000730633. The reversal of 4000730631 is 1360370004.

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

It is not a de Polignac number, because 4000730631 - 2² = 4000730627 is a prime.

It is a super-2 number, since 2×4000730631² = 32011691163643316322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000730633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2129376 + ... + 2131253.

It is an arithmetic number, because the mean of its divisors is an integer number (668918910).

Almost surely, 2^4000730631 is an apocalyptic number.

4000730631 is a deficient number, since it is larger than the sum of its proper divisors (1350620649).

4000730631 is a wasteful number, since it uses less digits than its factorization.

4000730631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260945.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 4000730631 is about 63251.3290848501. The cubic root of 4000730631 is about 1587.4976964523.

The spelling of 4000730631 in words is "four billion, seven hundred thirty thousand, six hundred thirty-one".