40122648845 has 16 divisors (see below), whose sum is σ = 49745829888. Its totient is φ = 31034248320.

The previous prime is 40122648791. The next prime is 40122648887. The reversal of 40122648845 is 54884622104.

It is not a de Polignac number, because 40122648845 - 2⁸ = 40122648589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40122648796 and 40122648805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52052 + ... + 288018.

It is an arithmetic number, because the mean of its divisors is an integer number (3109114368).

Almost surely, 2^40122648845 is an apocalyptic number.

It is an amenable number.

40122648845 is a deficient number, since it is larger than the sum of its proper divisors (9623181043).

40122648845 is a wasteful number, since it uses less digits than its factorization.

40122648845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237100.

The product of its (nonzero) digits is 491520, while the sum is 44.

The spelling of 40122648845 in words is "forty billion, one hundred twenty-two million, six hundred forty-eight thousand, eight hundred forty-five".