40240111322020 has 12 divisors (see below), whose sum is σ = 84504233776284. Its totient is φ = 16096044528800.

The previous prime is 40240111321987. The next prime is 40240111322123. The reversal of 40240111322020 is 2022311104204.

It can be written as a sum of positive squares in 2 ways, for example, as 8314537648036 + 31925573673984 = 2883494^2 + 5650272^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40240111321982 and 40240111322000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006002783031 + ... + 1006002783070.

It is an arithmetic number, because the mean of its divisors is an integer number (7042019481357).

Almost surely, 2^{40240111322020} is an apocalyptic number.

It is an amenable number.

40240111322020 is an abundant number, since it is smaller than the sum of its proper divisors (44264122454264).

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

40240111322020 is a wasteful number, since it uses less digits than its factorization.

40240111322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012005566110 (or 2012005566108 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 40240111322020 its reverse (2022311104204), we get a palindrome (42262422426224).

The spelling of 40240111322020 in words is "forty trillion, two hundred forty billion, one hundred eleven million, three hundred twenty-two thousand, twenty".