40128505060 has 48 divisors (see below), whose sum is σ = 98357543424. Its totient is φ = 13465611648.

The previous prime is 40128505033. The next prime is 40128505069. The reversal of 40128505060 is 6050582104.

40128505060 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 2×40128505060² (a number of 22 digits) contains 22 as substring.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3042699 + ... + 3055858.

It is an arithmetic number, because the mean of its divisors is an integer number (2049115488).

Almost surely, 2^40128505060 is an apocalyptic number.

It is an amenable number.

40128505060 is an abundant number, since it is smaller than the sum of its proper divisors (58229038364).

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

40128505060 is a wasteful number, since it uses less digits than its factorization.

40128505060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6098620 (or 6098618 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 40128505060 in words is "forty billion, one hundred twenty-eight million, five hundred five thousand, sixty".