42344431450 has 72 divisors (see below), whose sum is σ = 81246799872. Its totient is φ = 16417882080.

The previous prime is 42344431447. The next prime is 42344431463. The reversal of 42344431450 is 5413444324.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11816359 + ... + 11819941.

It is an arithmetic number, because the mean of its divisors is an integer number (1128427776).

Almost surely, 2^42344431450 is an apocalyptic number.

42344431450 is a deficient number, since it is larger than the sum of its proper divisors (38902368422).

42344431450 is a wasteful number, since it uses less digits than its factorization.

42344431450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796 (or 3744 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 42344431450 its reverse (5413444324), we get a palindrome (47757875774).

The spelling of 42344431450 in words is "forty-two billion, three hundred forty-four million, four hundred thirty-one thousand, four hundred fifty".