32420403316 has 36 divisors (see below), whose sum is σ = 69880960548. Its totient is φ = 13077136128.

The previous prime is 32420403313. The next prime is 32420403331. The reversal of 32420403316 is 61330402423.

It can be written as a sum of positive squares in 2 ways, for example, as 25093728100 + 7326675216 = 158410^2 + 85596^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32420403311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4861675 + ... + 4868338.

It is an arithmetic number, because the mean of its divisors is an integer number (1941137793).

Almost surely, 2^32420403316 is an apocalyptic number.

It is an amenable number.

32420403316 is an abundant number, since it is smaller than the sum of its proper divisors (37460557232).

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

32420403316 is a wasteful number, since it uses less digits than its factorization.

32420403316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9730048 (or 9730039 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 32420403316 its reverse (61330402423), we get a palindrome (93750805739).

The spelling of 32420403316 in words is "thirty-two billion, four hundred twenty million, four hundred three thousand, three hundred sixteen".