40113681813400 has 96 divisors (see below), whose sum is σ = 100444565667600. Its totient is φ = 14810309337600.

The previous prime is 40113681813347. The next prime is 40113681813409. The reversal of 40113681813400 is 431818631104.

40113681813400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40113681813409) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 43297015 + ... + 44213785.

Almost surely, 2^{40113681813400} is an apocalyptic number.

40113681813400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40113681813400 is an abundant number, since it is smaller than the sum of its proper divisors (60330883854200).

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

40113681813400 is a wasteful number, since it uses less digits than its factorization.

40113681813400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933629 (or 933620 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 40113681813400 in words is "forty trillion, one hundred thirteen billion, six hundred eighty-one million, eight hundred thirteen thousand, four hundred".