105428240437 has 8 divisors (see below), whose sum is σ = 113553334496. Its totient is φ = 97305322032.

The previous prime is 105428240429. The next prime is 105428240441. The reversal of 105428240437 is 734042824501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105428240437 - 2³ = 105428240429 is a prime.

It is a super-2 number, since 2×105428240437² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105428240437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105428244437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442563 + ... + 637744.

It is an arithmetic number, because the mean of its divisors is an integer number (14194166812).

Almost surely, 2^105428240437 is an apocalyptic number.

It is an amenable number.

105428240437 is a deficient number, since it is larger than the sum of its proper divisors (8125094059).

105428240437 is a wasteful number, since it uses less digits than its factorization.

105428240437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087827.

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 105428240437 in words is "one hundred five billion, four hundred twenty-eight million, two hundred forty thousand, four hundred thirty-seven".