40344041412 has 96 divisors (see below), whose sum is σ = 106126070400. Its totient is φ = 13252571136.

The previous prime is 40344041407. The next prime is 40344041459. The reversal of 40344041412 is 21414044304.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2221264 + ... + 2239352.

It is an arithmetic number, because the mean of its divisors is an integer number (1105479900).

Almost surely, 2^40344041412 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 40344041412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53063035200).

40344041412 is an abundant number, since it is smaller than the sum of its proper divisors (65782028988).

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

40344041412 is a wasteful number, since it uses less digits than its factorization.

40344041412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18402 (or 18394 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 40344041412 its reverse (21414044304), we get a palindrome (61758085716).

The spelling of 40344041412 in words is "forty billion, three hundred forty-four million, forty-one thousand, four hundred twelve".