32245725456 has 400 divisors, whose sum is σ = 110149045248. Its totient is φ = 8915961600.

The previous prime is 32245725383. The next prime is 32245725497. The reversal of 32245725456 is 65452754223.

32245725456 is a `hidden beast` number, since 3 + 2 + 24 + 572 + 5 + 4 + 56 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 51102261 + ... + 51102891.

Almost surely, 2^32245725456 is an apocalyptic number.

32245725456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32245725456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55074522624).

32245725456 is an abundant number, since it is smaller than the sum of its proper divisors (77903319792).

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

32245725456 is a wasteful number, since it uses less digits than its factorization.

32245725456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 817 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 45.

The spelling of 32245725456 in words is "thirty-two billion, two hundred forty-five million, seven hundred twenty-five thousand, four hundred fifty-six".