42620240040244 has 12 divisors (see below), whose sum is σ = 75269689980100. Its totient is φ = 21114614331648.

The previous prime is 42620240040199. The next prime is 42620240040263. The reversal of 42620240040244 is 44204004202624.

It can be written as a sum of positive squares in 2 ways, for example, as 29224727880100 + 13395512160144 = 5405990^2 + 3659988^2 .

It is a super-2 number, since 2×42620240040244² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48876421629 + ... + 48876422500.

Almost surely, 2^{42620240040244} is an apocalyptic number.

It is an amenable number.

42620240040244 is a deficient number, since it is larger than the sum of its proper divisors (32649449939856).

42620240040244 is a wasteful number, since it uses less digits than its factorization.

42620240040244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97752844242 (or 97752844240 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 42620240040244 its reverse (44204004202624), we get a palindrome (86824244242868).

The spelling of 42620240040244 in words is "forty-two trillion, six hundred twenty billion, two hundred forty million, forty thousand, two hundred forty-four".