40054505611656 has 32 divisors (see below), whose sum is σ = 100244053389600. Its totient is φ = 13337129955840.

The previous prime is 40054505611649. The next prime is 40054505611661. The reversal of 40054505611656 is 65611650545004.

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 7 ways as a sum of consecutive naturals, for example, 898221910 + ... + 898266501.

It is an arithmetic number, because the mean of its divisors is an integer number (3132626668425).

Almost surely, 2^{40054505611656} is an apocalyptic number.

It is an amenable number.

40054505611656 is an abundant number, since it is smaller than the sum of its proper divisors (60189547777944).

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

40054505611656 is a wasteful number, since it uses less digits than its factorization.

40054505611656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796489349 (or 1796489345 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 40054505611656 in words is "forty trillion, fifty-four billion, five hundred five million, six hundred eleven thousand, six hundred fifty-six".