730650378240 has 960 divisors, whose sum is σ = 2784746764800. Its totient is φ = 183458856960.

The previous prime is 730650378217. The next prime is 730650378251. The reversal of 730650378240 is 42873056037.

730650378240 is a `hidden beast` number, since 7 + 30 + 6 + 5 + 0 + 378 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

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

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, 19747307502 + ... + 19747307538.

It is an arithmetic number, because the mean of its divisors is an integer number (2900777880).

Almost surely, 2^730650378240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730650378240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1392373382400).

730650378240 is an abundant number, since it is smaller than the sum of its proper divisors (2054096386560).

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

730650378240 is an frugal number, since it uses more digits than its factorization.

730650378240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 730650378240 in words is "seven hundred thirty billion, six hundred fifty million, three hundred seventy-eight thousand, two hundred forty".