65420604372 has 24 divisors (see below), whose sum is σ = 156198033376. Its totient is φ = 21299731488.

The previous prime is 65420604307. The next prime is 65420604413. The reversal of 65420604372 is 27340602456.

It is a self number, because there is not a number n which added to its sum of digits gives 65420604372.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63391543 + ... + 63392574.

Almost surely, 2^65420604372 is an apocalyptic number.

It is an amenable number.

65420604372 is an abundant number, since it is smaller than the sum of its proper divisors (90777429004).

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

65420604372 is a wasteful number, since it uses less digits than its factorization.

65420604372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126784167 (or 126784165 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 65420604372 in words is "sixty-five billion, four hundred twenty million, six hundred four thousand, three hundred seventy-two".