42251481296 has 20 divisors (see below), whose sum is σ = 81937588992. Its totient is φ = 21106297056.

The previous prime is 42251481277. The next prime is 42251481329. The reversal of 42251481296 is 69218415224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197290 + ... + 1232073.

Almost surely, 2^42251481296 is an apocalyptic number.

It is an amenable number.

42251481296 is a deficient number, since it is larger than the sum of its proper divisors (39686107696).

42251481296 is a wasteful number, since it uses less digits than its factorization.

42251481296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430458 (or 2430452 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The spelling of 42251481296 in words is "forty-two billion, two hundred fifty-one million, four hundred eighty-one thousand, two hundred ninety-six".