42215512441 has 8 divisors (see below), whose sum is σ = 42911733384. Its totient is φ = 41519425920.

The previous prime is 42215512439. The next prime is 42215512517. The reversal of 42215512441 is 14421551224.

It can be written as a sum of positive squares in 4 ways, for example, as 926898025 + 41288614416 = 30445^2 + 203196^2 .

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 42215512441 - 2¹ = 42215512439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42215512421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748275 + ... + 802711.

It is an arithmetic number, because the mean of its divisors is an integer number (5363966673).

Almost surely, 2^42215512441 is an apocalyptic number.

It is an amenable number.

42215512441 is a deficient number, since it is larger than the sum of its proper divisors (696220943).

42215512441 is a wasteful number, since it uses less digits than its factorization.

42215512441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67211.

The product of its digits is 12800, while the sum is 31.

The spelling of 42215512441 in words is "forty-two billion, two hundred fifteen million, five hundred twelve thousand, four hundred forty-one".