40205013452144 has 20 divisors (see below), whose sum is σ = 78510577453824. Its totient is φ = 19944219270528.

The previous prime is 40205013452137. The next prime is 40205013452167. The reversal of 40205013452144 is 44125431050204.

It is a happy number.

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, 9892963877 + ... + 9892967940.

Almost surely, 2^{40205013452144} is an apocalyptic number.

It is an amenable number.

40205013452144 is a deficient number, since it is larger than the sum of its proper divisors (38305564001680).

40205013452144 is a wasteful number, since it uses less digits than its factorization.

40205013452144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19785931952 (or 19785931946 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 40205013452144 in words is "forty trillion, two hundred five billion, thirteen million, four hundred fifty-two thousand, one hundred forty-four".