42251434132 has 12 divisors (see below), whose sum is σ = 74041720480. Its totient is φ = 21096656856.

The previous prime is 42251434117. The next prime is 42251434153. The reversal of 42251434132 is 23143415224.

It is a junction number, because it is equal to n+sod(n) for n = 42251434094 and 42251434103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7261782 + ... + 7267597.

Almost surely, 2^42251434132 is an apocalyptic number.

It is an amenable number.

42251434132 is a deficient number, since it is larger than the sum of its proper divisors (31790286348).

42251434132 is a wasteful number, since it uses less digits than its factorization.

42251434132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14530110 (or 14530108 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

Adding to 42251434132 its reverse (23143415224), we get a palindrome (65394849356).

The spelling of 42251434132 in words is "forty-two billion, two hundred fifty-one million, four hundred thirty-four thousand, one hundred thirty-two".