1040424202021 has 8 divisors (see below), whose sum is σ = 1050247526400. Its totient is φ = 1030646462160.

The previous prime is 1040424202007. The next prime is 1040424202039. The reversal of 1040424202021 is 1202024240401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1040424202021 - 2¹⁷ = 1040424070949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040424201983 and 1040424202001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040424202061) by changing a digit.

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, 11350266 + ... + 11441563.

It is an arithmetic number, because the mean of its divisors is an integer number (131280940800).

Almost surely, 2^{1040424202021} is an apocalyptic number.

It is an amenable number.

1040424202021 is a deficient number, since it is larger than the sum of its proper divisors (9823324379).

1040424202021 is a wasteful number, since it uses less digits than its factorization.

1040424202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22792259.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 1040424202021 its reverse (1202024240401), we get a palindrome (2242448442422).

The spelling of 1040424202021 in words is "one trillion, forty billion, four hundred twenty-four million, two hundred two thousand, twenty-one".