1054340542442 has 12 divisors (see below), whose sum is σ = 1738354861698. Its totient is φ = 479245701000.

The previous prime is 1054340542391. The next prime is 1054340542459. The reversal of 1054340542442 is 2442450434501.

It can be written as a sum of positive squares in only one way, i.e., 1051689219361 + 2651323081 = 1025519^2 + 51491^2 .

It is a super-2 number, since 2×1054340542442² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054340542396 and 1054340542405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2178389309 + ... + 2178389792.

Almost surely, 2^{1054340542442} is an apocalyptic number.

1054340542442 is a deficient number, since it is larger than the sum of its proper divisors (684014319256).

1054340542442 is a wasteful number, since it uses less digits than its factorization.

1054340542442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356779125 (or 4356779114 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 1054340542442 its reverse (2442450434501), we get a palindrome (3496790976943).

The spelling of 1054340542442 in words is "one trillion, fifty-four billion, three hundred forty million, five hundred forty-two thousand, four hundred forty-two".