40110311440 has 20 divisors (see below), whose sum is σ = 93256474284. Its totient is φ = 16044124544.

The previous prime is 40110311401. The next prime is 40110311447. The reversal of 40110311440 is 4411301104.

It can be written as a sum of positive squares in 2 ways, for example, as 11253815056 + 28856496384 = 106084^2 + 169872^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (40110311447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250689367 + ... + 250689526.

Almost surely, 2^40110311440 is an apocalyptic number.

40110311440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40110311440 is an abundant number, since it is smaller than the sum of its proper divisors (53146162844).

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

40110311440 is a wasteful number, since it uses less digits than its factorization.

40110311440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501378906 (or 501378900 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 40110311440 its reverse (4411301104), we get a palindrome (44521612544).

The spelling of 40110311440 in words is "forty billion, one hundred ten million, three hundred eleven thousand, four hundred forty".