40423424131020 has 96 divisors (see below), whose sum is σ = 129663680832000. Its totient is φ = 9217588114944.

The previous prime is 40423424131001. The next prime is 40423424131031. The reversal of 40423424131020 is 2013142432404.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114676345 + ... + 115028304.

It is an arithmetic number, because the mean of its divisors is an integer number (1350663342000).

Almost surely, 2^{40423424131020} is an apocalyptic number.

It is an amenable number.

40423424131020 is an abundant number, since it is smaller than the sum of its proper divisors (89240256700980).

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

40423424131020 is a wasteful number, since it uses less digits than its factorization.

40423424131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229705087 (or 229705085 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 40423424131020 its reverse (2013142432404), we get a palindrome (42436566563424).

The spelling of 40423424131020 in words is "forty trillion, four hundred twenty-three billion, four hundred twenty-four million, one hundred thirty-one thousand, twenty".