40001500012 has 6 divisors (see below), whose sum is σ = 70002625028. Its totient is φ = 20000750004.

The previous prime is 40001500003. The next prime is 40001500013. The reversal of 40001500012 is 21000510004.

It is a junction number, because it is equal to n+sod(n) for n = 40001499965 and 40001500001.

It is not an unprimeable number, because it can be changed into a prime (40001500013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000187498 + ... + 5000187505.

Almost surely, 2^40001500012 is an apocalyptic number.

It is an amenable number.

40001500012 is a deficient number, since it is larger than the sum of its proper divisors (30001125016).

40001500012 is a wasteful number, since it uses less digits than its factorization.

40001500012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000375007 (or 10000375005 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The spelling of 40001500012 in words is "forty billion, one million, five hundred thousand, twelve".