842158780441 has 12 divisors (see below), whose sum is σ = 974398591600. Its totient is φ = 725304210840.

The previous prime is 842158780439. The next prime is 842158780469. The reversal of 842158780441 is 144087851248.

It is a happy number.

It is not a de Polignac number, because 842158780441 - 2¹ = 842158780439 is a prime.

It is a super-2 number, since 2×842158780441² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (842158700441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183155331 + ... + 183159928.

Almost surely, 2^842158780441 is an apocalyptic number.

It is an amenable number.

842158780441 is a deficient number, since it is larger than the sum of its proper divisors (132239811159).

842158780441 is a wasteful number, since it uses less digits than its factorization.

842158780441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366315300 (or 366315289 counting only the distinct ones).

The product of its (nonzero) digits is 2293760, while the sum is 52.

The spelling of 842158780441 in words is "eight hundred forty-two billion, one hundred fifty-eight million, seven hundred eighty thousand, four hundred forty-one".