40128505058 has 16 divisors (see below), whose sum is σ = 63369540000. Its totient is φ = 19005616512.

The previous prime is 40128505033. The next prime is 40128505069. The reversal of 40128505058 is 85050582104.

40128505058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40128505058² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221633 + ... + 359691.

It is an arithmetic number, because the mean of its divisors is an integer number (3960596250).

Almost surely, 2^40128505058 is an apocalyptic number.

40128505058 is a deficient number, since it is larger than the sum of its proper divisors (23241034942).

40128505058 is a wasteful number, since it uses less digits than its factorization.

40128505058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145729.

The product of its (nonzero) digits is 64000, while the sum is 38.

The spelling of 40128505058 in words is "forty billion, one hundred twenty-eight million, five hundred five thousand, fifty-eight".