303440444434 has 4 divisors (see below), whose sum is σ = 455160666654. Its totient is φ = 151720222216.

The previous prime is 303440444407. The next prime is 303440444617. The reversal of 303440444434 is 434444044303.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434444044303 = 241 ⋅1802672383.

It can be written as a sum of positive squares in only one way, i.e., 300903811209 + 2536633225 = 548547^2 + 50365^2 .

It is a super-2 number, since 2×303440444434² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 303440444393 and 303440444402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75860111107 + ... + 75860111110.

Almost surely, 2^303440444434 is an apocalyptic number.

303440444434 is a deficient number, since it is larger than the sum of its proper divisors (151720222220).

303440444434 is a wasteful number, since it uses less digits than its factorization.

303440444434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151720222219.

The product of its (nonzero) digits is 442368, while the sum is 37.

Adding to 303440444434 its reverse (434444044303), we get a palindrome (737884488737).

The spelling of 303440444434 in words is "three hundred three billion, four hundred forty million, four hundred forty-four thousand, four hundred thirty-four".