40402056055 has 8 divisors (see below), whose sum is σ = 48666812832. Its totient is φ = 32198747808.

The previous prime is 40402056043. The next prime is 40402056089. The reversal of 40402056055 is 55065020404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40402056055 - 2⁹ = 40402055543 is a prime.

It is a super-2 number, since 2×40402056055² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 15360684 + ... + 15363313.

It is an arithmetic number, because the mean of its divisors is an integer number (6083351604).

Almost surely, 2^40402056055 is an apocalyptic number.

40402056055 is a deficient number, since it is larger than the sum of its proper divisors (8264756777).

40402056055 is a wasteful number, since it uses less digits than its factorization.

40402056055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30724265.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 40402056055 its reverse (55065020404), we get a palindrome (95467076459).

The spelling of 40402056055 in words is "forty billion, four hundred two million, fifty-six thousand, fifty-five".