40160772421156 has 12 divisors (see below), whose sum is σ = 70433805865500. Its totient is φ = 20036827888160.

The previous prime is 40160772421141. The next prime is 40160772421163. The reversal of 40160772421156 is 65112427706104.

It can be written as a sum of positive squares in 2 ways, for example, as 13780057622500 + 26380714798656 = 3712150^2 + 5136216^2 .

It is a super-2 number, since 2×40160772421156² (a number of 28 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 10889578531 + ... + 10889582218.

It is an arithmetic number, because the mean of its divisors is an integer number (5869483822125).

Almost surely, 2^{40160772421156} is an apocalyptic number.

It is an amenable number.

40160772421156 is a deficient number, since it is larger than the sum of its proper divisors (30273033444344).

40160772421156 is a wasteful number, since it uses less digits than its factorization.

40160772421156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21779161214 (or 21779161212 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 40160772421156 in words is "forty trillion, one hundred sixty billion, seven hundred seventy-two million, four hundred twenty-one thousand, one hundred fifty-six".