730215219240 has 384 divisors, whose sum is σ = 2766528172800. Its totient is φ = 170283824640.

The previous prime is 730215219203. The next prime is 730215219281. The reversal of 730215219240 is 42912512037.

730215219240 is a `hidden beast` number, since 7 + 3 + 0 + 2 + 1 + 521 + 92 + 40 = 666.

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 = 730215219195 and 730215219204.

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, 4996405 + ... + 5140475.

It is an arithmetic number, because the mean of its divisors is an integer number (7204500450).

Almost surely, 2^730215219240 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 730215219240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383264086400).

730215219240 is an abundant number, since it is smaller than the sum of its proper divisors (2036312953560).

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

730215219240 is a wasteful number, since it uses less digits than its factorization.

730215219240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144142 (or 144113 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 730215219240 in words is "seven hundred thirty billion, two hundred fifteen million, two hundred nineteen thousand, two hundred forty".