42542451130 has 16 divisors (see below), whose sum is σ = 76597191720. Its totient is φ = 17012362752.

The previous prime is 42542451097. The next prime is 42542451131. The reversal of 42542451130 is 3115424524.

It can be written as a sum of positive squares in 4 ways, for example, as 9144523129 + 33397928001 = 95627^2 + 182751^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42542451092 and 42542451101.

It is not an unprimeable number, because it can be changed into a prime (42542451131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538395 + ... + 612334.

Almost surely, 2^42542451130 is an apocalyptic number.

42542451130 is a deficient number, since it is larger than the sum of its proper divisors (34054740590).

42542451130 is a wasteful number, since it uses less digits than its factorization.

42542451130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154433.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 42542451130 its reverse (3115424524), we get a palindrome (45657875654).

The spelling of 42542451130 in words is "forty-two billion, five hundred forty-two million, four hundred fifty-one thousand, one hundred thirty".