40426645216 has 12 divisors (see below), whose sum is σ = 79589957832. Its totient is φ = 20213322592.

The previous prime is 40426645213. The next prime is 40426645247. The reversal of 40426645216 is 61254662404.

It is a happy number.

40426645216 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 (40426645213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631666300 + ... + 631666363.

It is an arithmetic number, because the mean of its divisors is an integer number (6632496486).

Almost surely, 2^40426645216 is an apocalyptic number.

It is an amenable number.

40426645216 is a deficient number, since it is larger than the sum of its proper divisors (39163312616).

40426645216 is a wasteful number, since it uses less digits than its factorization.

40426645216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263332673 (or 1263332665 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 40426645216 in words is "forty billion, four hundred twenty-six million, six hundred forty-five thousand, two hundred sixteen".