1040020004424 has 16 divisors (see below), whose sum is σ = 2600050011120. Its totient is φ = 346673334800.

The previous prime is 1040020004407. The next prime is 1040020004473. The reversal of 1040020004424 is 4244000200401.

It is a self number, because there is not a number n which added to its sum of digits gives 1040020004424.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21667083402 + ... + 21667083449.

It is an arithmetic number, because the mean of its divisors is an integer number (162503125695).

Almost surely, 2^{1040020004424} is an apocalyptic number.

It is an amenable number.

1040020004424 is an abundant number, since it is smaller than the sum of its proper divisors (1560030006696).

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

1040020004424 is a wasteful number, since it uses less digits than its factorization.

1040020004424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43334166860 (or 43334166856 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 1040020004424 its reverse (4244000200401), we get a palindrome (5284020204825).

The spelling of 1040020004424 in words is "one trillion, forty billion, twenty million, four thousand, four hundred twenty-four".