42847156023488 has 14 divisors (see below), whose sum is σ = 85024825234236. Its totient is φ = 21423578011712.

The previous prime is 42847156023481. The next prime is 42847156023521. The reversal of 42847156023488 is 88432065174824.

It is a happy number.

It is a super-2 number, since 2×42847156023488² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42847156023488.

It is not an unprimeable number, because it can be changed into a prime (42847156023481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334743406370 + ... + 334743406497.

Almost surely, 2^{42847156023488} is an apocalyptic number.

It is an amenable number.

42847156023488 is a deficient number, since it is larger than the sum of its proper divisors (42177669210748).

42847156023488 is an equidigital number, since it uses as much as digits as its factorization.

42847156023488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669486812879 (or 669486812869 counting only the distinct ones).

The product of its (nonzero) digits is 82575360, while the sum is 62.

The spelling of 42847156023488 in words is "forty-two trillion, eight hundred forty-seven billion, one hundred fifty-six million, twenty-three thousand, four hundred eighty-eight".