730222871040 has 1280 divisors, whose sum is σ = 2954960870400. Its totient is φ = 169572040704.

The previous prime is 730222871039. The next prime is 730222871051. The reversal of 730222871040 is 40178222037.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 730222870986 and 730222871004.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1839352122 + ... + 1839352518.

It is an arithmetic number, because the mean of its divisors is an integer number (2308563180).

Almost surely, 2^730222871040 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 730222871040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1477480435200).

730222871040 is an abundant number, since it is smaller than the sum of its proper divisors (2224737999360).

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

730222871040 is a wasteful number, since it uses less digits than its factorization.

730222871040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 730222871040 in words is "seven hundred thirty billion, two hundred twenty-two million, eight hundred seventy-one thousand, forty".