40006644062620 has 12 divisors (see below), whose sum is σ = 84013952531544. Its totient is φ = 16002657625040.

The previous prime is 40006644062591. The next prime is 40006644062639. The reversal of 40006644062620 is 2626044660004.

40006644062620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000166101546 + ... + 1000166101585.

It is an arithmetic number, because the mean of its divisors is an integer number (7001162710962).

Almost surely, 2^{40006644062620} is an apocalyptic number.

It is an amenable number.

40006644062620 is an abundant number, since it is smaller than the sum of its proper divisors (44007308468924).

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

40006644062620 is a wasteful number, since it uses less digits than its factorization.

40006644062620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000332203140 (or 2000332203138 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 40006644062620 in words is "forty trillion, six billion, six hundred forty-four million, sixty-two thousand, six hundred twenty".