40242031012020 has 24 divisors (see below), whose sum is σ = 112677686833824. Its totient is φ = 10731208269856.

The previous prime is 40242031012019. The next prime is 40242031012037. The reversal of 40242031012020 is 2021013024204.

40242031012020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 335350258374 + ... + 335350258493.

It is an arithmetic number, because the mean of its divisors is an integer number (4694903618076).

Almost surely, 2^{40242031012020} is an apocalyptic number.

It is an amenable number.

40242031012020 is an abundant number, since it is smaller than the sum of its proper divisors (72435655821804).

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

40242031012020 is a wasteful number, since it uses less digits than its factorization.

40242031012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670700516879 (or 670700516877 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40242031012020 its reverse (2021013024204), we get a palindrome (42263044036224).

The spelling of 40242031012020 in words is "forty trillion, two hundred forty-two billion, thirty-one million, twelve thousand, twenty".