4000651630526 has 8 divisors (see below), whose sum is σ = 6128657817120. Its totient is φ = 1957765691488.

The previous prime is 4000651630519. The next prime is 4000651630531. The reversal of 4000651630526 is 6250361560004.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4000651630526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21280061771 + ... + 21280061958.

It is an arithmetic number, because the mean of its divisors is an integer number (766082227140).

Almost surely, 2^{4000651630526} is an apocalyptic number.

4000651630526 is a deficient number, since it is larger than the sum of its proper divisors (2128006186594).

4000651630526 is a wasteful number, since it uses less digits than its factorization.

4000651630526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42560123778.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 4000651630526 in words is "four trillion, six hundred fifty-one million, six hundred thirty thousand, five hundred twenty-six".