40042133543012 has 12 divisors (see below), whose sum is σ = 70073809175916. Its totient is φ = 20021045207040.

The previous prime is 40042133542997. The next prime is 40042133543039. The reversal of 40042133543012 is 21034533124004.

It can be written as a sum of positive squares in 2 ways, for example, as 11467271504896 + 28574862038116 = 3386336^2 + 5345546^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40042133543012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773789 + ... + 8982372.

It is an arithmetic number, because the mean of its divisors is an integer number (5839484097993).

Almost surely, 2^{40042133543012} is an apocalyptic number.

It is an amenable number.

40042133543012 is a deficient number, since it is larger than the sum of its proper divisors (30031675632904).

40042133543012 is a wasteful number, since it uses less digits than its factorization.

40042133543012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10782238 (or 10782236 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 40042133543012 its reverse (21034533124004), we get a palindrome (61076666667016).

The spelling of 40042133543012 in words is "forty trillion, forty-two billion, one hundred thirty-three million, five hundred forty-three thousand, twelve".