40001055064 has 16 divisors (see below), whose sum is σ = 76417110720. Its totient is φ = 19623158880.

The previous prime is 40001055047. The next prime is 40001055071. The reversal of 40001055064 is 46055010004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47170632 + ... + 47171479.

It is an arithmetic number, because the mean of its divisors is an integer number (4776069420).

Almost surely, 2^40001055064 is an apocalyptic number.

It is an amenable number.

40001055064 is a deficient number, since it is larger than the sum of its proper divisors (36416055656).

40001055064 is a wasteful number, since it uses less digits than its factorization.

40001055064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94342170 (or 94342166 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 40001055064 its reverse (46055010004), we get a palindrome (86056065068).

The spelling of 40001055064 in words is "forty billion, one million, fifty-five thousand, sixty-four".