29402436442 has 4 divisors (see below), whose sum is σ = 44103654666. Its totient is φ = 14701218220.

The previous prime is 29402436419. The next prime is 29402436449. The reversal of 29402436442 is 24463420492.

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., 25475032881 + 3927403561 = 159609^2 + 62669^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29402436395 and 29402436404.

It is not an unprimeable number, because it can be changed into a prime (29402436449) by changing a digit.

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, 7350609109 + ... + 7350609112.

Almost surely, 2^29402436442 is an apocalyptic number.

29402436442 is a deficient number, since it is larger than the sum of its proper divisors (14701218224).

29402436442 is a wasteful number, since it uses less digits than its factorization.

29402436442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14701218223.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 29402436442 in words is "twenty-nine billion, four hundred two million, four hundred thirty-six thousand, four hundred forty-two".