320011275642 has 16 divisors (see below), whose sum is σ = 673707948960. Its totient is φ = 101056192272.

The previous prime is 320011275607. The next prime is 320011275653. The reversal of 320011275642 is 246572110023.

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, 1403558113 + ... + 1403558340.

It is an arithmetic number, because the mean of its divisors is an integer number (42106746810).

Almost surely, 2^320011275642 is an apocalyptic number.

320011275642 is an abundant number, since it is smaller than the sum of its proper divisors (353696673318).

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

320011275642 is a wasteful number, since it uses less digits than its factorization.

320011275642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807116477.

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 320011275642 its reverse (246572110023), we get a palindrome (566583385665).

The spelling of 320011275642 in words is "three hundred twenty billion, eleven million, two hundred seventy-five thousand, six hundred forty-two".