245087216730 has 96 divisors (see below), whose sum is σ = 647211472128. Its totient is φ = 64335398400.

The previous prime is 245087216729. The next prime is 245087216767. The reversal of 245087216730 is 37612780542.

245087216730 is a `hidden beast` number, since 2 + 4 + 508 + 72 + 1 + 6 + 73 + 0 = 666.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4104690 + ... + 4163970.

It is an arithmetic number, because the mean of its divisors is an integer number (6741786168).

Almost surely, 2^245087216730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245087216730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323605736064).

245087216730 is an abundant number, since it is smaller than the sum of its proper divisors (402124255398).

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

245087216730 is a wasteful number, since it uses less digits than its factorization.

245087216730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60012 (or 60009 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 245087216730 in words is "two hundred forty-five billion, eighty-seven million, two hundred sixteen thousand, seven hundred thirty".