40120452016 has 20 divisors (see below), whose sum is σ = 77761453752. Its totient is φ = 20052980096.

The previous prime is 40120452011. The next prime is 40120452077. The reversal of 40120452016 is 61025402104.

It is a happy number.

40120452016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40120452011) 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, 407050 + ... + 495913.

Almost surely, 2^40120452016 is an apocalyptic number.

It is an amenable number.

40120452016 is a deficient number, since it is larger than the sum of its proper divisors (37641001736).

40120452016 is a wasteful number, since it uses less digits than its factorization.

40120452016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905748 (or 905742 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 40120452016 in words is "forty billion, one hundred twenty million, four hundred fifty-two thousand, sixteen".