40162220651272 has 32 divisors (see below), whose sum is σ = 75358118926080. Its totient is φ = 20066727280320.

The previous prime is 40162220651269. The next prime is 40162220651297. The reversal of 40162220651272 is 27215602226104.

It is a super-2 number, since 2×40162220651272² (a number of 28 digits) contains 22 as substring.

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, 64427593 + ... + 65047975.

It is an arithmetic number, because the mean of its divisors is an integer number (2354941216440).

Almost surely, 2^{40162220651272} is an apocalyptic number.

It is an amenable number.

40162220651272 is a deficient number, since it is larger than the sum of its proper divisors (35195898274808).

40162220651272 is a wasteful number, since it uses less digits than its factorization.

40162220651272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626173 (or 626169 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

Adding to 40162220651272 its reverse (27215602226104), we get a palindrome (67377822877376).

The spelling of 40162220651272 in words is "forty trillion, one hundred sixty-two billion, two hundred twenty million, six hundred fifty-one thousand, two hundred seventy-two".