40128902766258 has 32 divisors (see below), whose sum is σ = 83067269947200. Its totient is φ = 12908523007296.

The previous prime is 40128902766221. The next prime is 40128902766259. The reversal of 40128902766258 is 85266720982104.

It is a super-2 number, since 2×40128902766258² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40128902766259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57923941 + ... + 58612632.

It is an arithmetic number, because the mean of its divisors is an integer number (2595852185850).

Almost surely, 2^{40128902766258} is an apocalyptic number.

40128902766258 is an abundant number, since it is smaller than the sum of its proper divisors (42938367180942).

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

40128902766258 is a wasteful number, since it uses less digits than its factorization.

40128902766258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116538586.

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 40128902766258 in words is "forty trillion, one hundred twenty-eight billion, nine hundred two million, seven hundred sixty-six thousand, two hundred fifty-eight".