424144040121 has 8 divisors (see below), whose sum is σ = 628361540960. Its totient is φ = 282762693396.

The previous prime is 424144040101. The next prime is 424144040147. The reversal of 424144040121 is 121040441424.

It is a happy number.

424144040121 is a `hidden beast` number, since 4 + 241 + 4 + 404 + 0 + 12 + 1 = 666.

It is not a de Polignac number, because 424144040121 - 2³⁰ = 423070298297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 15709038523 = 424144040121 / (4 + 2 + 4 + 1 + 4 + 4 + 0 + 4 + 0 + 1 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (424144040101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7854519235 + ... + 7854519288.

It is an arithmetic number, because the mean of its divisors is an integer number (78545192620).

Almost surely, 2^424144040121 is an apocalyptic number.

It is an amenable number.

424144040121 is a deficient number, since it is larger than the sum of its proper divisors (204217500839).

424144040121 is a wasteful number, since it uses less digits than its factorization.

424144040121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15709038532 (or 15709038526 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 424144040121 its reverse (121040441424), we get a palindrome (545184481545).

The spelling of 424144040121 in words is "four hundred twenty-four billion, one hundred forty-four million, forty thousand, one hundred twenty-one".