40120022012042 has 96 divisors (see below), whose sum is σ = 75904651480320. Its totient is φ = 15557766174720.

The previous prime is 40120022011969. The next prime is 40120022012053. The reversal of 40120022012042 is 24021022002104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26605067 + ... + 28072577.

It is an arithmetic number, because the mean of its divisors is an integer number (790673452920).

Almost surely, 2^{40120022012042} is an apocalyptic number.

40120022012042 is a deficient number, since it is larger than the sum of its proper divisors (35784629468278).

40120022012042 is a wasteful number, since it uses less digits than its factorization.

40120022012042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467816 (or 1467799 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 40120022012042 its reverse (24021022002104), we get a palindrome (64141044014146).

The spelling of 40120022012042 in words is "forty trillion, one hundred twenty billion, twenty-two million, twelve thousand, forty-two".