40254015017122 has 4 divisors (see below), whose sum is σ = 60381022525686. Its totient is φ = 20127007508560.

The previous prime is 40254015017003. The next prime is 40254015017123. The reversal of 40254015017122 is 22171051045204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38833224920161 + 1420790096961 = 6231631^2 + 1191969^2 .

It is not an unprimeable number, because it can be changed into a prime (40254015017123) by changing a digit.

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 as a sum of consecutive naturals, namely, 10063503754279 + ... + 10063503754282.

Almost surely, 2^{40254015017122} is an apocalyptic number.

40254015017122 is a deficient number, since it is larger than the sum of its proper divisors (20127007508564).

40254015017122 is a wasteful number, since it uses less digits than its factorization.

40254015017122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20127007508563.

The product of its (nonzero) digits is 22400, while the sum is 34.

The spelling of 40254015017122 in words is "forty trillion, two hundred fifty-four billion, fifteen million, seventeen thousand, one hundred twenty-two".