4042400201231 has 16 divisors (see below), whose sum is σ = 4663190684160. Its totient is φ = 3432437685600.

The previous prime is 4042400201209. The next prime is 4042400201297. The reversal of 4042400201231 is 1321020042404.

It is a de Polignac number, because none of the positive numbers 2^k-4042400201231 is a prime.

It is a super-2 number, since 2×4042400201231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4042400201197 and 4042400201206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042400201831) 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, 47683181 + ... + 47767881.

It is an arithmetic number, because the mean of its divisors is an integer number (291449417760).

Almost surely, 2^{4042400201231} is an apocalyptic number.

4042400201231 is a deficient number, since it is larger than the sum of its proper divisors (620790482929).

4042400201231 is a wasteful number, since it uses less digits than its factorization.

4042400201231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148534.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 4042400201231 its reverse (1321020042404), we get a palindrome (5363420243635).

The spelling of 4042400201231 in words is "four trillion, forty-two billion, four hundred million, two hundred one thousand, two hundred thirty-one".