42506351452 has 12 divisors (see below), whose sum is σ = 75496356040. Its totient is φ = 20935964016.

The previous prime is 42506351441. The next prime is 42506351471. The reversal of 42506351452 is 25415360524.

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, 79302627 + ... + 79303162.

Almost surely, 2^42506351452 is an apocalyptic number.

It is an amenable number.

42506351452 is a deficient number, since it is larger than the sum of its proper divisors (32990004588).

42506351452 is a wasteful number, since it uses less digits than its factorization.

42506351452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158605860 (or 158605858 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 42506351452 in words is "forty-two billion, five hundred six million, three hundred fifty-one thousand, four hundred fifty-two".