40555135776 has 24 divisors (see below), whose sum is σ = 106457231664. Its totient is φ = 13518378560.

The previous prime is 40555135739. The next prime is 40555135781. The reversal of 40555135776 is 67753155504.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211224570 + ... + 211224761.

It is an arithmetic number, because the mean of its divisors is an integer number (4435717986).

Almost surely, 2^40555135776 is an apocalyptic number.

It is an amenable number.

40555135776 is an abundant number, since it is smaller than the sum of its proper divisors (65902095888).

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

40555135776 is a wasteful number, since it uses less digits than its factorization.

40555135776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422449344 (or 422449336 counting only the distinct ones).

The product of its (nonzero) digits is 2205000, while the sum is 48.

The spelling of 40555135776 in words is "forty billion, five hundred fifty-five million, one hundred thirty-five thousand, seven hundred seventy-six".