40344103240 has 128 divisors (see below), whose sum is σ = 105660288000. Its totient is φ = 13577211648.

The previous prime is 40344103199. The next prime is 40344103243. The reversal of 40344103240 is 4230144304.

It is not an unprimeable number, because it can be changed into a prime (40344103243) 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, 14189259 + ... + 14192101.

It is an arithmetic number, because the mean of its divisors is an integer number (825471000).

Almost surely, 2^40344103240 is an apocalyptic number.

40344103240 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 40344103240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52830144000).

40344103240 is an abundant number, since it is smaller than the sum of its proper divisors (65316184760).

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

40344103240 is a wasteful number, since it uses less digits than its factorization.

40344103240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779 (or 3775 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40344103240 its reverse (4230144304), we get a palindrome (44574247544).

The spelling of 40344103240 in words is "forty billion, three hundred forty-four million, one hundred three thousand, two hundred forty".