842176405642 has 32 divisors (see below), whose sum is σ = 1499415269184. Its totient is φ = 349717824000.

The previous prime is 842176405621. The next prime is 842176405661. The reversal of 842176405642 is 246504671248.

It is a super-2 number, since 2×842176405642² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15150984 + ... + 15206467.

It is an arithmetic number, because the mean of its divisors is an integer number (46856727162).

Almost surely, 2^842176405642 is an apocalyptic number.

842176405642 is a deficient number, since it is larger than the sum of its proper divisors (657238863542).

842176405642 is a wasteful number, since it uses less digits than its factorization.

842176405642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30357574.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 842176405642 in words is "eight hundred forty-two billion, one hundred seventy-six million, four hundred five thousand, six hundred forty-two".