42124445200433 has 4 divisors (see below), whose sum is σ = 43577012276340. Its totient is φ = 40671878124528.

The previous prime is 42124445200421. The next prime is 42124445200483. The reversal of 42124445200433 is 33400254442124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17032029952144 + 25092415248289 = 4126988^2 + 5009233^2 .

It is a cyclic number.

It is not a de Polignac number, because 42124445200433 - 2¹⁰ = 42124445199409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42124445200483) 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, 726283537910 + ... + 726283537967.

It is an arithmetic number, because the mean of its divisors is an integer number (10894253069085).

Almost surely, 2^{42124445200433} is an apocalyptic number.

It is an amenable number.

42124445200433 is a deficient number, since it is larger than the sum of its proper divisors (1452567075907).

42124445200433 is a wasteful number, since it uses less digits than its factorization.

42124445200433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452567075906.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 42124445200433 its reverse (33400254442124), we get a palindrome (75524699642557).

The spelling of 42124445200433 in words is "forty-two trillion, one hundred twenty-four billion, four hundred forty-five million, two hundred thousand, four hundred thirty-three".