40201601812 has 24 divisors (see below), whose sum is σ = 70572034400. Its totient is φ = 20038215456.

The previous prime is 40201601809. The next prime is 40201601837. The reversal of 40201601812 is 21810610204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4026058 + ... + 4036030.

Almost surely, 2^40201601812 is an apocalyptic number.

It is an amenable number.

40201601812 is a deficient number, since it is larger than the sum of its proper divisors (30370432588).

40201601812 is a wasteful number, since it uses less digits than its factorization.

40201601812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13015 (or 13013 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The spelling of 40201601812 in words is "forty billion, two hundred one million, six hundred one thousand, eight hundred twelve".