2001000142408 has 8 divisors (see below), whose sum is σ = 3751875267030. Its totient is φ = 1000500071200.

The previous prime is 2001000142397. The next prime is 2001000142417. The reversal of 2001000142408 is 8042410001002.

It can be written as a sum of positive squares in only one way, i.e., 1693438947684 + 307561194724 = 1301322^2 + 554582^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125062508893 + ... + 125062508908.

Almost surely, 2^{2001000142408} is an apocalyptic number.

It is an amenable number.

2001000142408 is a deficient number, since it is larger than the sum of its proper divisors (1750875124622).

2001000142408 is a wasteful number, since it uses less digits than its factorization.

2001000142408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250125017807 (or 250125017803 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The spelling of 2001000142408 in words is "two trillion, one billion, one hundred forty-two thousand, four hundred eight".