172414005842 has 24 divisors (see below), whose sum is σ = 281247273684. Its totient is φ = 79234132224.

The previous prime is 172414005839. The next prime is 172414005847. The reversal of 172414005842 is 248500414271.

It can be written as a sum of positive squares in 6 ways, for example, as 50054665441 + 122359340401 = 223729^2 + 349799^2 .

It is a junction number, because it is equal to n+sod(n) for n = 172414005796 and 172414005805.

It is not an unprimeable number, because it can be changed into a prime (172414005847) 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, 1015883 + ... + 1173390.

Almost surely, 2^172414005842 is an apocalyptic number.

172414005842 is a deficient number, since it is larger than the sum of its proper divisors (108833267842).

172414005842 is a wasteful number, since it uses less digits than its factorization.

172414005842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189534 (or 2189521 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The spelling of 172414005842 in words is "one hundred seventy-two billion, four hundred fourteen million, five thousand, eight hundred forty-two".