33442132442 has 4 divisors (see below), whose sum is σ = 50163198666. Its totient is φ = 16721066220.

The previous prime is 33442132397. The next prime is 33442132469. The reversal of 33442132442 is 24423124433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24423124433 = 263 ⋅92863591.

It can be written as a sum of positive squares in only one way, i.e., 23667053281 + 9775079161 = 153841^2 + 98869^2 .

It is a super-2 number, since 2×33442132442² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33442132399 and 33442132408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8360533109 + ... + 8360533112.

Almost surely, 2^33442132442 is an apocalyptic number.

33442132442 is a deficient number, since it is larger than the sum of its proper divisors (16721066224).

33442132442 is a wasteful number, since it uses less digits than its factorization.

33442132442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16721066223.

The product of its digits is 55296, while the sum is 32.

Adding to 33442132442 its reverse (24423124433), we get a palindrome (57865256875).

The spelling of 33442132442 in words is "thirty-three billion, four hundred forty-two million, one hundred thirty-two thousand, four hundred forty-two".