642440463162 has 16 divisors (see below), whose sum is σ = 1287455844000. Its totient is φ = 213717668112.

The previous prime is 642440463139. The next prime is 642440463167. The reversal of 642440463162 is 261364044246.

It is a happy number.

642440463162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (642440463167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107284993 + ... + 107290980.

It is an arithmetic number, because the mean of its divisors is an integer number (80465990250).

Almost surely, 2^642440463162 is an apocalyptic number.

642440463162 is an abundant number, since it is smaller than the sum of its proper divisors (645015380838).

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

642440463162 is a wasteful number, since it uses less digits than its factorization.

642440463162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214576477.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 642440463162 in words is "six hundred forty-two billion, four hundred forty million, four hundred sixty-three thousand, one hundred sixty-two".