4031323400040 has 64 divisors (see below), whose sum is σ = 12094509556800. Its totient is φ = 1074971630592.

The previous prime is 4031323399973. The next prime is 4031323400077. The reversal of 4031323400040 is 400043231304.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 1994559 + ... + 3470001.

It is an arithmetic number, because the mean of its divisors is an integer number (188976711825).

Almost surely, 2^{4031323400040} is an apocalyptic number.

4031323400040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4031323400040 is an abundant number, since it is smaller than the sum of its proper divisors (8063186156760).

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

4031323400040 is a wasteful number, since it uses less digits than its factorization.

4031323400040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498226 (or 1498222 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 4031323400040 its reverse (400043231304), we get a palindrome (4431366631344).

The spelling of 4031323400040 in words is "four trillion, thirty-one billion, three hundred twenty-three million, four hundred thousand, forty".