642382010 has 8 divisors (see below), whose sum is σ = 1156287636. Its totient is φ = 256952800.

The previous prime is 642381991. The next prime is 642382021. The reversal of 642382010 is 10283246.

It can be written as a sum of positive squares in 2 ways, for example, as 598438369 + 43943641 = 24463^2 + 6629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32119091 + ... + 32119110.

Almost surely, 2^642382010 is an apocalyptic number.

642382010 is a deficient number, since it is larger than the sum of its proper divisors (513905626).

642382010 is a wasteful number, since it uses less digits than its factorization.

642382010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64238208.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 642382010 is about 25345.2561636295. The cubic root of 642382010 is about 862.8416950412.

The spelling of 642382010 in words is "six hundred forty-two million, three hundred eighty-two thousand, ten".