42542363620 has 48 divisors (see below), whose sum is σ = 90630586368. Its totient is φ = 16771099520.

The previous prime is 42542363597. The next prime is 42542363629. The reversal of 42542363620 is 2636324524.

It is a self number, because there is not a number n which added to its sum of digits gives 42542363620.

It is not an unprimeable number, because it can be changed into a prime (42542363629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6922269 + ... + 6928411.

It is an arithmetic number, because the mean of its divisors is an integer number (1888137216).

Almost surely, 2^42542363620 is an apocalyptic number.

It is an amenable number.

42542363620 is an abundant number, since it is smaller than the sum of its proper divisors (48088222748).

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

42542363620 is a wasteful number, since it uses less digits than its factorization.

42542363620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100 (or 11098 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 42542363620 in words is "forty-two billion, five hundred forty-two million, three hundred sixty-three thousand, six hundred twenty".