730182261240 has 192 divisors, whose sum is σ = 2513841220800. Its totient is φ = 183177179136.

The previous prime is 730182261209. The next prime is 730182261313. The reversal of 730182261240 is 42162281037.

It is a happy number.

730182261240 is a `hidden beast` number, since 7 + 3 + 0 + 18 + 22 + 612 + 4 + 0 = 666.

It is a super-2 number, since 2×730182261240² (a number of 25 digits) contains 22 as substring.

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 = 730182261195 and 730182261204.

It is a congruent 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, 13859989 + ... + 13912571.

It is an arithmetic number, because the mean of its divisors is an integer number (13092923025).

Almost surely, 2^730182261240 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 730182261240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1256920610400).

730182261240 is an abundant number, since it is smaller than the sum of its proper divisors (1783658959560).

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

730182261240 is a wasteful number, since it uses less digits than its factorization.

730182261240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54886 (or 54879 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 730182261240 in words is "seven hundred thirty billion, one hundred eighty-two million, two hundred sixty-one thousand, two hundred forty".