40128505059 has 8 divisors (see below), whose sum is σ = 53889599680. Its totient is φ = 26559873576.

The previous prime is 40128505033. The next prime is 40128505069. The reversal of 40128505059 is 95050582104.

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

It is not a de Polignac number, because 40128505059 - 2¹⁵ = 40128472291 is a prime.

It is a super-2 number, since 2×40128505059² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40128505069) by changing a digit.

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, 48115297 + ... + 48116130.

It is an arithmetic number, because the mean of its divisors is an integer number (6736199960).

Almost surely, 2^40128505059 is an apocalyptic number.

40128505059 is a deficient number, since it is larger than the sum of its proper divisors (13761094621).

40128505059 is a wasteful number, since it uses less digits than its factorization.

40128505059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96231569.

The product of its (nonzero) digits is 72000, while the sum is 39.

The spelling of 40128505059 in words is "forty billion, one hundred twenty-eight million, five hundred five thousand, fifty-nine".