2042401044021 has 32 divisors (see below), whose sum is σ = 2940932924160. Its totient is φ = 1253329459200.

The previous prime is 2042401043999. The next prime is 2042401044023. The reversal of 2042401044021 is 1204401042402.

It is not a de Polignac number, because 2042401044021 - 2¹⁷ = 2042400912949 is a prime.

It is a super-3 number, since 3×2042401044021³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2042401043982 and 2042401044000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042401044023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20153445 + ... + 20254533.

It is an arithmetic number, because the mean of its divisors is an integer number (91904153880).

Almost surely, 2^{2042401044021} is an apocalyptic number.

It is an amenable number.

2042401044021 is a deficient number, since it is larger than the sum of its proper divisors (898531880139).

2042401044021 is a wasteful number, since it uses less digits than its factorization.

2042401044021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102557.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 2042401044021 its reverse (1204401042402), we get a palindrome (3246802086423).

The spelling of 2042401044021 in words is "two trillion, forty-two billion, four hundred one million, forty-four thousand, twenty-one".