424140142004551 has 6 divisors (see below), whose sum is σ = 493387512127800. Its totient is φ = 363548693146716.

The previous prime is 424140142004531. The next prime is 424140142004569. The reversal of 424140142004551 is 155400241041424.

It is not a de Polignac number, because 424140142004551 - 2¹³ = 424140141996359 is a prime.

It is a super-3 number, since 3×424140142004551³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424140142004551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424140142004531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4327960632651 + ... + 4327960632748.

It is an arithmetic number, because the mean of its divisors is an integer number (82231252021300).

Almost surely, 2^{424140142004551} is an apocalyptic number.

424140142004551 is a deficient number, since it is larger than the sum of its proper divisors (69247370123249).

424140142004551 is an equidigital number, since it uses as much as digits as its factorization.

424140142004551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8655921265413 (or 8655921265406 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 37.

Adding to 424140142004551 its reverse (155400241041424), we get a palindrome (579540383045975).

The spelling of 424140142004551 in words is "four hundred twenty-four trillion, one hundred forty billion, one hundred forty-two million, four thousand, five hundred fifty-one".