42542541534 has 32 divisors (see below), whose sum is σ = 87208611840. Its totient is φ = 13830711552.

The previous prime is 42542541523. The next prime is 42542541541. The reversal of 42542541534 is 43514524524.

It is a junction number, because it is equal to n+sod(n) for n = 42542541492 and 42542541501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428179 + ... + 518094.

It is an arithmetic number, because the mean of its divisors is an integer number (2725269120).

Almost surely, 2^42542541534 is an apocalyptic number.

42542541534 is an abundant number, since it is smaller than the sum of its proper divisors (44666070306).

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

42542541534 is a wasteful number, since it uses less digits than its factorization.

42542541534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946464.

The product of its digits is 384000, while the sum is 39.

The spelling of 42542541534 in words is "forty-two billion, five hundred forty-two million, five hundred forty-one thousand, five hundred thirty-four".