42260250545 has 8 divisors (see below), whose sum is σ = 50716029096. Its totient is φ = 33805714816.

The previous prime is 42260250511. The next prime is 42260250553. The reversal of 42260250545 is 54505206224.

It can be written as a sum of positive squares in 4 ways, for example, as 18698921536 + 23561329009 = 136744^2 + 153497^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42260250545 is a prime.

It is a super-2 number, since 2×42260250545² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234182 + ... + 373311.

It is an arithmetic number, because the mean of its divisors is an integer number (6339503637).

Almost surely, 2^42260250545 is an apocalyptic number.

It is an amenable number.

42260250545 is a deficient number, since it is larger than the sum of its proper divisors (8455778551).

42260250545 is a wasteful number, since it uses less digits than its factorization.

42260250545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621411.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 42260250545 its reverse (54505206224), we get a palindrome (96765456769).

The spelling of 42260250545 in words is "forty-two billion, two hundred sixty million, two hundred fifty thousand, five hundred forty-five".