40024430121 has 16 divisors (see below), whose sum is σ = 57474570944. Its totient is φ = 24628878144.

The previous prime is 40024430087. The next prime is 40024430123. The reversal of 40024430121 is 12103442004.

It is not a de Polignac number, because 40024430121 - 2¹⁸ = 40024167977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40024430123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1160295 + ... + 1194291.

It is an arithmetic number, because the mean of its divisors is an integer number (3592160684).

Almost surely, 2^40024430121 is an apocalyptic number.

It is an amenable number.

40024430121 is a deficient number, since it is larger than the sum of its proper divisors (17450140823).

40024430121 is a wasteful number, since it uses less digits than its factorization.

40024430121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64200.

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

Adding to 40024430121 its reverse (12103442004), we get a palindrome (52127872125).

The spelling of 40024430121 in words is "forty billion, twenty-four million, four hundred thirty thousand, one hundred twenty-one".