302423140344440 has 64 divisors (see below), whose sum is σ = 696307609720800. Its totient is φ = 118150743900672.

The previous prime is 302423140344349. The next prime is 302423140344449. The reversal of 302423140344440 is 44443041324203.

It is a junction number, because it is equal to n+sod(n) for n = 302423140344394 and 302423140344403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302423140344449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34734014 + ... + 42559346.

Almost surely, 2^{302423140344440} is an apocalyptic number.

It is an amenable number.

302423140344440 is an abundant number, since it is smaller than the sum of its proper divisors (393884469376360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302423140344440 is a wasteful number, since it uses less digits than its factorization.

302423140344440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7847856 (or 7847852 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 302423140344440 its reverse (44443041324203), we get a palindrome (346866181668643).

The spelling of 302423140344440 in words is "three hundred two trillion, four hundred twenty-three billion, one hundred forty million, three hundred forty-four thousand, four hundred forty".