42821623750 has 20 divisors (see below), whose sum is σ = 80264853900. Its totient is φ = 17128649000.

The previous prime is 42821623729. The next prime is 42821623781. The reversal of 42821623750 is 5732612824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17127400 + ... + 17129899.

It is an arithmetic number, because the mean of its divisors is an integer number (4013242695).

Almost surely, 2^42821623750 is an apocalyptic number.

42821623750 is a deficient number, since it is larger than the sum of its proper divisors (37443230150).

42821623750 is an equidigital number, since it uses as much as digits as its factorization.

42821623750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34257321 (or 34257306 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 42821623750 in words is "forty-two billion, eight hundred twenty-one million, six hundred twenty-three thousand, seven hundred fifty".