40845868448 has 144 divisors (see below), whose sum is σ = 108051983424. Its totient is φ = 14977751040.

The previous prime is 40845868447. The next prime is 40845868471. The reversal of 40845868448 is 84486854804.

It is not an unprimeable number, because it can be changed into a prime (40845868447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223565 + ... + 362867.

It is an arithmetic number, because the mean of its divisors is an integer number (750360996).

Almost surely, 2^40845868448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40845868448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54025991712).

40845868448 is an abundant number, since it is smaller than the sum of its proper divisors (67206114976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40845868448 is a wasteful number, since it uses less digits than its factorization.

40845868448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139355 (or 139340 counting only the distinct ones).

The product of its (nonzero) digits is 31457280, while the sum is 59.

The spelling of 40845868448 in words is "forty billion, eight hundred forty-five million, eight hundred sixty-eight thousand, four hundred forty-eight".