42450289472 has 14 divisors (see below), whose sum is σ = 84237293298. Its totient is φ = 21225144704.

The previous prime is 42450289451. The next prime is 42450289513. The reversal of 42450289472 is 27498205424.

It can be written as a sum of positive squares in only one way, i.e., 42409636096 + 40653376 = 205936^2 + 6376^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331642823 + ... + 331642950.

Almost surely, 2^42450289472 is an apocalyptic number.

It is an amenable number.

42450289472 is a deficient number, since it is larger than the sum of its proper divisors (41787003826).

42450289472 is an equidigital number, since it uses as much as digits as its factorization.

42450289472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663285785 (or 663285775 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 42450289472 in words is "forty-two billion, four hundred fifty million, two hundred eighty-nine thousand, four hundred seventy-two".