40331234323440 has 60 divisors (see below), whose sum is σ = 135445728605304. Its totient is φ = 10754995819392.

The previous prime is 40331234323423. The next prime is 40331234323511. The reversal of 40331234323440 is 4432343213304.

40331234323440 is a `hidden beast` number, since 4 + 0 + 33 + 12 + 343 + 234 + 40 = 666.

40331234323440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40331234323395 and 40331234323404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28007800894 + ... + 28007802333.

Almost surely, 2^{40331234323440} is an apocalyptic number.

40331234323440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40331234323440 is an abundant number, since it is smaller than the sum of its proper divisors (95114494281864).

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

40331234323440 is a wasteful number, since it uses less digits than its factorization.

40331234323440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56015603246 (or 56015603237 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 36.

Adding to 40331234323440 its reverse (4432343213304), we get a palindrome (44763577536744).

The spelling of 40331234323440 in words is "forty trillion, three hundred thirty-one billion, two hundred thirty-four million, three hundred twenty-three thousand, four hundred forty".