642442510414 has 64 divisors (see below), whose sum is σ = 1044018581760. Its totient is φ = 295511328000.

The previous prime is 642442510393. The next prime is 642442510417. The reversal of 642442510414 is 414015244246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642442510417) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 300627154 + ... + 300629290.

It is an arithmetic number, because the mean of its divisors is an integer number (16312790340).

Almost surely, 2^642442510414 is an apocalyptic number.

642442510414 is a deficient number, since it is larger than the sum of its proper divisors (401576071346).

642442510414 is a wasteful number, since it uses less digits than its factorization.

642442510414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185.

The product of its (nonzero) digits is 122880, while the sum is 37.

The spelling of 642442510414 in words is "six hundred forty-two billion, four hundred forty-two million, five hundred ten thousand, four hundred fourteen".