1055142433240 has 32 divisors (see below), whose sum is σ = 2713223400480. Its totient is φ = 361763119872.

The previous prime is 1055142433207. The next prime is 1055142433321. The reversal of 1055142433240 is 423342415501.

It is a super-2 number, since 2×1055142433240² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055142433196 and 1055142433205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1884182637 + ... + 1884183196.

It is an arithmetic number, because the mean of its divisors is an integer number (84788231265).

Almost surely, 2^{1055142433240} is an apocalyptic number.

1055142433240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055142433240 is an abundant number, since it is smaller than the sum of its proper divisors (1658080967240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055142433240 is a wasteful number, since it uses less digits than its factorization.

1055142433240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768365851 (or 3768365847 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 1055142433240 its reverse (423342415501), we get a palindrome (1478484848741).

The spelling of 1055142433240 in words is "one trillion, fifty-five billion, one hundred forty-two million, four hundred thirty-three thousand, two hundred forty".