40121112633740 has 24 divisors (see below), whose sum is σ = 84254473074912. Its totient is φ = 16048419045120.

The previous prime is 40121112633661. The next prime is 40121112633761. The reversal of 40121112633740 is 4733621112104.

It is a self number, because there is not a number n which added to its sum of digits gives 40121112633740.

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, 15345545 + ... + 17768735.

It is an arithmetic number, because the mean of its divisors is an integer number (3510603044788).

Almost surely, 2^{40121112633740} is an apocalyptic number.

It is an amenable number.

40121112633740 is an abundant number, since it is smaller than the sum of its proper divisors (44133360441172).

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

40121112633740 is a wasteful number, since it uses less digits than its factorization.

40121112633740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251057 (or 3251055 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 40121112633740 its reverse (4733621112104), we get a palindrome (44854733745844).

The spelling of 40121112633740 in words is "forty trillion, one hundred twenty-one billion, one hundred twelve million, six hundred thirty-three thousand, seven hundred forty".