40024004120 has 16 divisors (see below), whose sum is σ = 90054009360. Its totient is φ = 16009601632.

The previous prime is 40024004113. The next prime is 40024004149. The reversal of 40024004120 is 2140042004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500300012 + ... + 500300091.

It is an arithmetic number, because the mean of its divisors is an integer number (5628375585).

Almost surely, 2^40024004120 is an apocalyptic number.

40024004120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40024004120 is an abundant number, since it is smaller than the sum of its proper divisors (50030005240).

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

40024004120 is a wasteful number, since it uses less digits than its factorization.

40024004120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000600114 (or 1000600110 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 40024004120 its reverse (2140042004), we get a palindrome (42164046124).

The spelling of 40024004120 in words is "forty billion, twenty-four million, four thousand, one hundred twenty".