481665602250 has 384 divisors, whose sum is σ = 1595950387200. Its totient is φ = 107116732800.

The previous prime is 481665602179. The next prime is 481665602267. The reversal of 481665602250 is 52206566184.

481665602250 is a `hidden beast` number, since 4 + 8 + 1 + 66 + 560 + 2 + 25 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 481665602196 and 481665602205.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 12218071 + ... + 12257429.

It is an arithmetic number, because the mean of its divisors is an integer number (4156120800).

Almost surely, 2^481665602250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481665602250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797975193600).

481665602250 is an abundant number, since it is smaller than the sum of its proper divisors (1114284784950).

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

481665602250 is a wasteful number, since it uses less digits than its factorization.

481665602250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39436 (or 39413 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 481665602250 in words is "four hundred eighty-one billion, six hundred sixty-five million, six hundred two thousand, two hundred fifty".