2725317331650 has 192 divisors, whose sum is σ = 7666009344000. Its totient is φ = 711766440000.

The previous prime is 2725317331603. The next prime is 2725317331663. The reversal of 2725317331650 is 561337135272.

2725317331650 is a `hidden beast` number, since 2 + 7 + 253 + 1 + 7 + 331 + 65 + 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 = 2725317331596 and 2725317331605.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14379201 + ... + 14567499.

It is an arithmetic number, because the mean of its divisors is an integer number (39927132000).

Almost surely, 2^{2725317331650} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2725317331650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3833004672000).

2725317331650 is an abundant number, since it is smaller than the sum of its proper divisors (4940692012350).

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

2725317331650 is a wasteful number, since it uses less digits than its factorization.

2725317331650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188542 (or 188531 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 45.

The spelling of 2725317331650 in words is "two trillion, seven hundred twenty-five billion, three hundred seventeen million, three hundred thirty-one thousand, six hundred fifty".