42644266471 has 8 divisors (see below), whose sum is σ = 45211179024. Its totient is φ = 40083845760.

The previous prime is 42644266451. The next prime is 42644266477. The reversal of 42644266471 is 17466244624.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-42644266471 is a prime.

It is a super-3 number, since 3×42644266471³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42644266477) 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, 1609425 + ... + 1635706.

It is an arithmetic number, because the mean of its divisors is an integer number (5651397378).

Almost surely, 2^42644266471 is an apocalyptic number.

42644266471 is a deficient number, since it is larger than the sum of its proper divisors (2566912553).

42644266471 is a wasteful number, since it uses less digits than its factorization.

42644266471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245921.

The product of its digits is 1548288, while the sum is 46.

The spelling of 42644266471 in words is "forty-two billion, six hundred forty-four million, two hundred sixty-six thousand, four hundred seventy-one".