2042430200421 has 16 divisors (see below), whose sum is σ = 2932854879360. Its totient is φ = 1256822441280.

The previous prime is 2042430200383. The next prime is 2042430200471. The reversal of 2042430200421 is 1240020342402.

It is not a de Polignac number, because 2042430200421 - 2¹⁴ = 2042430184037 is a prime.

It is a super-2 number, since 2×2042430200421² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2042430200391 and 2042430200400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042430200471) 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, 333066 + ... + 2048363.

It is an arithmetic number, because the mean of its divisors is an integer number (183303429960).

Almost surely, 2^{2042430200421} is an apocalyptic number.

It is an amenable number.

2042430200421 is a deficient number, since it is larger than the sum of its proper divisors (890424678939).

2042430200421 is a wasteful number, since it uses less digits than its factorization.

2042430200421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403436.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 2042430200421 its reverse (1240020342402), we get a palindrome (3282450542823).

The spelling of 2042430200421 in words is "two trillion, forty-two billion, four hundred thirty million, two hundred thousand, four hundred twenty-one".