40244244560 has 160 divisors (see below), whose sum is σ = 102735924480. Its totient is φ = 14570164224.

The previous prime is 40244244553. The next prime is 40244244569. The reversal of 40244244560 is 6544244204.

40244244560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40244244560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244244569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37858589 + ... + 37859651.

It is an arithmetic number, because the mean of its divisors is an integer number (642099528).

Almost surely, 2^40244244560 is an apocalyptic number.

40244244560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40244244560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51367962240).

40244244560 is an abundant number, since it is smaller than the sum of its proper divisors (62491679920).

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

40244244560 is a wasteful number, since it uses less digits than its factorization.

40244244560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765 (or 1759 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 40244244560 its reverse (6544244204), we get a palindrome (46788488764).

The spelling of 40244244560 in words is "forty billion, two hundred forty-four million, two hundred forty-four thousand, five hundred sixty".