32561425480 has 32 divisors (see below), whose sum is σ = 73295364600. Its totient is φ = 13018853376.

The previous prime is 32561425471. The next prime is 32561425487. The reversal of 32561425480 is 8452416523.

It can be written as a sum of positive squares in 4 ways, for example, as 15370544484 + 17190880996 = 123978^2 + 131114^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (32561425487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85785 + ... + 269224.

Almost surely, 2^32561425480 is an apocalyptic number.

It is an amenable number.

32561425480 is an abundant number, since it is smaller than the sum of its proper divisors (40733939120).

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

32561425480 is a wasteful number, since it uses less digits than its factorization.

32561425480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357313 (or 357309 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 32561425480 in words is "thirty-two billion, five hundred sixty-one million, four hundred twenty-five thousand, four hundred eighty".