40553506642 has 16 divisors (see below), whose sum is σ = 67105908000. Its totient is φ = 18226294240.

The previous prime is 40553506639. The next prime is 40553506667. The reversal of 40553506642 is 24660535504.

It is a happy number.

40553506642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40553506595 and 40553506604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10353892 + ... + 10357807.

It is an arithmetic number, because the mean of its divisors is an integer number (4194119250).

Almost surely, 2^40553506642 is an apocalyptic number.

40553506642 is a deficient number, since it is larger than the sum of its proper divisors (26552401358).

40553506642 is a wasteful number, since it uses less digits than its factorization.

40553506642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20711801.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 40553506642 in words is "forty billion, five hundred fifty-three million, five hundred six thousand, six hundred forty-two".