40422371655 has 32 divisors (see below), whose sum is σ = 68140627200. Its totient is φ = 20405682432.

The previous prime is 40422371629. The next prime is 40422371669. The reversal of 40422371655 is 55617322404.

40422371655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40422371655 - 2¹⁰ = 40422370631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258952 + ... + 384578.

It is an arithmetic number, because the mean of its divisors is an integer number (2129394600).

Almost surely, 2^40422371655 is an apocalyptic number.

40422371655 is a deficient number, since it is larger than the sum of its proper divisors (27718255545).

40422371655 is a wasteful number, since it uses less digits than its factorization.

40422371655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126783.

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 40422371655 in words is "forty billion, four hundred twenty-two million, three hundred seventy-one thousand, six hundred fifty-five".