40400452216 has 32 divisors (see below), whose sum is σ = 76060399680. Its totient is φ = 20117750400.

The previous prime is 40400452207. The next prime is 40400452217. The reversal of 40400452216 is 61225400404.

40400452216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400452217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8043786 + ... + 8048806.

It is an arithmetic number, because the mean of its divisors is an integer number (2376887490).

Almost surely, 2^40400452216 is an apocalyptic number.

It is an amenable number.

40400452216 is a deficient number, since it is larger than the sum of its proper divisors (35659947464).

40400452216 is a wasteful number, since it uses less digits than its factorization.

40400452216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8935 (or 8931 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 40400452216 in words is "forty billion, four hundred million, four hundred fifty-two thousand, two hundred sixteen".