42543052000 has 96 divisors (see below), whose sum is σ = 110029963680. Its totient is φ = 16121548800.

The previous prime is 42543051989. The next prime is 42543052003. The reversal of 42543052000 is 25034524.

It is a super-2 number, since 2×42543052000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42543052003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203889 + ... + 355888.

It is an arithmetic number, because the mean of its divisors is an integer number (1146145455).

Almost surely, 2^42543052000 is an apocalyptic number.

42543052000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42543052000 is an abundant number, since it is smaller than the sum of its proper divisors (67486911680).

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

42543052000 is a wasteful number, since it uses less digits than its factorization.

42543052000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559821 (or 559803 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 42543052000 its reverse (25034524), we get a palindrome (42568086524).

The spelling of 42543052000 in words is "forty-two billion, five hundred forty-three million, fifty-two thousand".