642326514 has 16 divisors (see below), whose sum is σ = 1284985728. Its totient is φ = 214053392.

The previous prime is 642326491. The next prime is 642326527. The reversal of 642326514 is 415623246.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16279 + ... + 39365.

It is an arithmetic number, because the mean of its divisors is an integer number (80311608).

Almost surely, 2^642326514 is an apocalyptic number.

642326514 is an abundant number, since it is smaller than the sum of its proper divisors (642659214).

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

642326514 is a wasteful number, since it uses less digits than its factorization.

642326514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27729.

The product of its digits is 34560, while the sum is 33.

The square root of 642326514 is about 25344.1613394486. The cubic root of 642326514 is about 862.8168470842.

The spelling of 642326514 in words is "six hundred forty-two million, three hundred twenty-six thousand, five hundred fourteen".