40162040112020 has 48 divisors (see below), whose sum is σ = 84957844507200. Its totient is φ = 15947190868224.

The previous prime is 40162040111957. The next prime is 40162040112037. The reversal of 40162040112020 is 2021104026104.

It is a super-2 number, since 2×40162040112020² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 142062047 + ... + 142344473.

It is an arithmetic number, because the mean of its divisors is an integer number (1769955093900).

Almost surely, 2^{40162040112020} is an apocalyptic number.

It is an amenable number.

40162040112020 is an abundant number, since it is smaller than the sum of its proper divisors (44795804395180).

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

40162040112020 is a wasteful number, since it uses less digits than its factorization.

40162040112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334472 (or 334470 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 40162040112020 its reverse (2021104026104), we get a palindrome (42183144138124).

The spelling of 40162040112020 in words is "forty trillion, one hundred sixty-two billion, forty million, one hundred twelve thousand, twenty".