42542462456 has 64 divisors (see below), whose sum is σ = 90932133600. Its totient is φ = 18516976128.

The previous prime is 42542462441. The next prime is 42542462461. The reversal of 42542462456 is 65426424524.

It is a super-2 number, since 2×42542462456² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34331 + ... + 293706.

Almost surely, 2^42542462456 is an apocalyptic number.

It is an amenable number.

42542462456 is an abundant number, since it is smaller than the sum of its proper divisors (48389671144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42542462456 is a wasteful number, since it uses less digits than its factorization.

42542462456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328128 (or 328124 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 44.

The spelling of 42542462456 in words is "forty-two billion, five hundred forty-two million, four hundred sixty-two thousand, four hundred fifty-six".