42434541440 has 32 divisors (see below), whose sum is σ = 101445077160. Its totient is φ = 16973816320.

The previous prime is 42434541439. The next prime is 42434541451. The reversal of 42434541440 is 4414543424.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 42434541440.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 33151346 + ... + 33152625.

Almost surely, 2^42434541440 is an apocalyptic number.

42434541440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42434541440 is an abundant number, since it is smaller than the sum of its proper divisors (59010535720).

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

42434541440 is an equidigital number, since it uses as much as digits as its factorization.

42434541440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66303990 (or 66303978 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

The spelling of 42434541440 in words is "forty-two billion, four hundred thirty-four million, five hundred forty-one thousand, four hundred forty".