4000463538 has 8 divisors (see below), whose sum is σ = 8000927088. Its totient is φ = 1333487844.

The previous prime is 4000463491. The next prime is 4000463543. The reversal of 4000463538 is 8353640004.

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

4000463538 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 4000463499 and 4000463508.

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, 333371956 + ... + 333371967.

It is an arithmetic number, because the mean of its divisors is an integer number (1000115886).

Almost surely, 2^4000463538 is an apocalyptic number.

4000463538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4000463538 is a wasteful number, since it uses less digits than its factorization.

4000463538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666743928.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 4000463538 is about 63249.2176868616. The cubic root of 4000463538 is about 1587.4623679921.

The spelling of 4000463538 in words is "four billion, four hundred sixty-three thousand, five hundred thirty-eight".