42540520000 has 280 divisors, whose sum is σ = 116263033920. Its totient is φ = 15310080000.

The previous prime is 42540519997. The next prime is 42540520037. The reversal of 42540520000 is 2504524.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 47959557 + ... + 47960443.

Almost surely, 2^42540520000 is an apocalyptic number.

42540520000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42540520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58131516960).

42540520000 is an abundant number, since it is smaller than the sum of its proper divisors (73722513920).

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

42540520000 is a wasteful number, since it uses less digits than its factorization.

42540520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The spelling of 42540520000 in words is "forty-two billion, five hundred forty million, five hundred twenty thousand".