40344323310 has 96 divisors (see below), whose sum is σ = 106818173280. Its totient is φ = 10561761024.

The previous prime is 40344323309. The next prime is 40344323353. The reversal of 40344323310 is 1332344304.

40344323310 is a `hidden beast` number, since 4 + 0 + 344 + 3 + 2 + 3 + 310 = 666.

40344323310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40344323310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4227304 + ... + 4236836.

It is an arithmetic number, because the mean of its divisors is an integer number (1112689305).

Almost surely, 2^40344323310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40344323310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53409086640).

40344323310 is an abundant number, since it is smaller than the sum of its proper divisors (66473849970).

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

40344323310 is a wasteful number, since it uses less digits than its factorization.

40344323310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10402 (or 10399 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 40344323310 its reverse (1332344304), we get a palindrome (41676667614).

The spelling of 40344323310 in words is "forty billion, three hundred forty-four million, three hundred twenty-three thousand, three hundred ten".