1055343412440 has 48 divisors (see below), whose sum is σ = 3429866091600. Its totient is φ = 281424909888.

The previous prime is 1055343412367. The next prime is 1055343412441. The reversal of 1055343412440 is 442143435501.

1055343412440 is a `hidden beast` number, since 1 + 0 + 553 + 4 + 3 + 41 + 24 + 40 = 666.

It is a super-2 number, since 2×1055343412440² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1055343412395 and 1055343412404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055343412441) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1465754380 + ... + 1465755099.

It is an arithmetic number, because the mean of its divisors is an integer number (71455543575).

Almost surely, 2^{1055343412440} is an apocalyptic number.

1055343412440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055343412440 is an abundant number, since it is smaller than the sum of its proper divisors (2374522679160).

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

1055343412440 is a wasteful number, since it uses less digits than its factorization.

1055343412440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931509496 (or 2931509489 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 1055343412440 its reverse (442143435501), we get a palindrome (1497486847941).

The spelling of 1055343412440 in words is "one trillion, fifty-five billion, three hundred forty-three million, four hundred twelve thousand, four hundred forty".