642201010 has 32 divisors (see below), whose sum is σ = 1335232512. Its totient is φ = 219790080.

The previous prime is 642200957. The next prime is 642201029. The reversal of 642201010 is 10102246.

642201010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169842 + ... + 173581.

It is an arithmetic number, because the mean of its divisors is an integer number (41726016).

Almost surely, 2^642201010 is an apocalyptic number.

642201010 is an abundant number, since it is smaller than the sum of its proper divisors (693031502).

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

642201010 is a wasteful number, since it uses less digits than its factorization.

642201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343458.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 642201010 is about 25341.6852241519. The cubic root of 642201010 is about 862.7606482421.

Adding to 642201010 its reverse (10102246), we get a palindrome (652303256).

The spelling of 642201010 in words is "six hundred forty-two million, two hundred one thousand, ten".