40040200042040 has 32 divisors (see below), whose sum is σ = 98280491013360. Its totient is φ = 14560072742400.

The previous prime is 40040200042033. The next prime is 40040200042099. The reversal of 40040200042040 is 4024000204004.

40040200042040 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 (20).

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 7 ways as a sum of consecutive naturals, for example, 45500226881 + ... + 45500227760.

Almost surely, 2^{40040200042040} is an apocalyptic number.

40040200042040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40040200042040 is an abundant number, since it is smaller than the sum of its proper divisors (58240290971320).

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

40040200042040 is a wasteful number, since it uses less digits than its factorization.

40040200042040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91000454663 (or 91000454659 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40040200042040 its reverse (4024000204004), we get a palindrome (44064200246044).

The spelling of 40040200042040 in words is "forty trillion, forty billion, two hundred million, forty-two thousand, forty".