40622647144 has 16 divisors (see below), whose sum is σ = 78793928100. Its totient is φ = 19610932992.

The previous prime is 40622647139. The next prime is 40622647183. The reversal of 40622647144 is 44174622604.

40622647144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40456495044 + 166152100 = 201138^2 + 12890^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40622647097 and 40622647106.

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, 87548577 + ... + 87549040.

Almost surely, 2^40622647144 is an apocalyptic number.

It is an amenable number.

40622647144 is a deficient number, since it is larger than the sum of its proper divisors (38171280956).

40622647144 is a wasteful number, since it uses less digits than its factorization.

40622647144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175097652 (or 175097648 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 40.

The spelling of 40622647144 in words is "forty billion, six hundred twenty-two million, six hundred forty-seven thousand, one hundred forty-four".