40122464450072 has 16 divisors (see below), whose sum is σ = 75229688028600. Its totient is φ = 20061214309120.

The previous prime is 40122464450051. The next prime is 40122464450077. The reversal of 40122464450072 is 27005446422104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40122464450077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16773047 + ... + 19015257.

Almost surely, 2^{40122464450072} is an apocalyptic number.

It is an amenable number.

40122464450072 is a deficient number, since it is larger than the sum of its proper divisors (35107223578528).

40122464450072 is a wasteful number, since it uses less digits than its factorization.

40122464450072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478986 (or 4478982 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 41.

The spelling of 40122464450072 in words is "forty trillion, one hundred twenty-two billion, four hundred sixty-four million, four hundred fifty thousand, seventy-two".