33439402442 has 4 divisors (see below), whose sum is σ = 50159103666. Its totient is φ = 16719701220.

The previous prime is 33439402439. The next prime is 33439402457. The reversal of 33439402442 is 24420493433.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32109414481 + 1329987961 = 179191^2 + 36469^2 .

It is a super-2 number, since 2×33439402442² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33439402396 and 33439402405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8359850609 + ... + 8359850612.

Almost surely, 2^33439402442 is an apocalyptic number.

33439402442 is a deficient number, since it is larger than the sum of its proper divisors (16719701224).

33439402442 is a wasteful number, since it uses less digits than its factorization.

33439402442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16719701223.

The product of its (nonzero) digits is 248832, while the sum is 38.

Adding to 33439402442 its reverse (24420493433), we get a palindrome (57859895875).

The spelling of 33439402442 in words is "thirty-three billion, four hundred thirty-nine million, four hundred two thousand, four hundred forty-two".