642350200 has 24 divisors (see below), whose sum is σ = 1493464680. Its totient is φ = 256940000.

The previous prime is 642350183. The next prime is 642350209. The reversal of 642350200 is 2053246.

It is a happy number.

642350200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×642350200² = 825227558880080000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642350209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1605676 + ... + 1606075.

It is an arithmetic number, because the mean of its divisors is an integer number (62227695).

Almost surely, 2^642350200 is an apocalyptic number.

It is an amenable number.

642350200 is an abundant number, since it is smaller than the sum of its proper divisors (851114480).

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

642350200 is a wasteful number, since it uses less digits than its factorization.

642350200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211767 (or 3211758 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 642350200 is about 25344.6286222545. The cubic root of 642350200 is about 862.8274525049.

The spelling of 642350200 in words is "six hundred forty-two million, three hundred fifty thousand, two hundred".