42252520000 has 140 divisors (see below), whose sum is σ = 107607976300. Its totient is φ = 16443648000.

The previous prime is 42252519977. The next prime is 42252520019. The reversal of 42252520000 is 2525224.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 30326132736 + 11926387264 = 174144^2 + 109208^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1465726 + ... + 1494274.

Almost surely, 2^42252520000 is an apocalyptic number.

42252520000 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 42252520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53803988150).

42252520000 is an abundant number, since it is smaller than the sum of its proper divisors (65355456300).

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

42252520000 is an equidigital number, since it uses as much as digits as its factorization.

42252520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28618 (or 28593 counting only the distinct ones).

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

The spelling of 42252520000 in words is "forty-two billion, two hundred fifty-two million, five hundred twenty thousand".