642062150 has 24 divisors (see below), whose sum is σ = 1196891400. Its totient is φ = 256253760.

The previous prime is 642062119. The next prime is 642062177. The reversal of 642062150 is 51260246.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8801 + ... + 36899.

It is an arithmetic number, because the mean of its divisors is an integer number (49870475).

Almost surely, 2^642062150 is an apocalyptic number.

642062150 is a deficient number, since it is larger than the sum of its proper divisors (554829250).

642062150 is a wasteful number, since it uses less digits than its factorization.

642062150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28568 (or 28563 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 642062150 is about 25338.9453213823. The cubic root of 642062150 is about 862.6984602471.

The spelling of 642062150 in words is "six hundred forty-two million, sixty-two thousand, one hundred fifty".