1055400204424 has 16 divisors (see below), whose sum is σ = 1980817376400. Its totient is φ = 527182237392.

The previous prime is 1055400204421. The next prime is 1055400204427. The reversal of 1055400204424 is 4244020045501.

It is an interprime number because it is at equal distance from previous prime (1055400204421) and next prime (1055400204427).

It is a super-2 number, since 2×1055400204424² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055400204421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64724442 + ... + 64740745.

It is an arithmetic number, because the mean of its divisors is an integer number (123801086025).

Almost surely, 2^{1055400204424} is an apocalyptic number.

It is an amenable number.

1055400204424 is a deficient number, since it is larger than the sum of its proper divisors (925417171976).

1055400204424 is a wasteful number, since it uses less digits than its factorization.

1055400204424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129466212 (or 129466208 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 1055400204424 its reverse (4244020045501), we get a palindrome (5299420249925).

The spelling of 1055400204424 in words is "one trillion, fifty-five billion, four hundred million, two hundred four thousand, four hundred twenty-four".