105442040533 has 4 divisors (see below), whose sum is σ = 107015802400. Its totient is φ = 103868278668.

The previous prime is 105442040521. The next prime is 105442040549. The reversal of 105442040533 is 335040244501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 335040244501 = 19 ⋅17633697079.

It is a cyclic number.

It is not a de Polignac number, because 105442040533 - 2⁹ = 105442040021 is a prime.

It is a super-2 number, since 2×105442040533² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105442040495 and 105442040504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105442040503) 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, 786880833 + ... + 786880966.

It is an arithmetic number, because the mean of its divisors is an integer number (26753950600).

Almost surely, 2^105442040533 is an apocalyptic number.

It is an amenable number.

105442040533 is a deficient number, since it is larger than the sum of its proper divisors (1573761867).

105442040533 is an equidigital number, since it uses as much as digits as its factorization.

105442040533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573761866.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 105442040533 in words is "one hundred five billion, four hundred forty-two million, forty thousand, five hundred thirty-three".