730440742240 has 96 divisors (see below), whose sum is σ = 1882969060896. Its totient is φ = 265554984960.

The previous prime is 730440742193. The next prime is 730440742249. The reversal of 730440742240 is 42247044037.

It is a self number, because there is not a number n which added to its sum of digits gives 730440742240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730440742249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8180074 + ... + 8268886.

It is an arithmetic number, because the mean of its divisors is an integer number (19614261051).

Almost surely, 2^730440742240 is an apocalyptic number.

It is an amenable number.

730440742240 is an abundant number, since it is smaller than the sum of its proper divisors (1152528318656).

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

730440742240 is a wasteful number, since it uses less digits than its factorization.

730440742240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93512 (or 93504 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 37.

Adding to 730440742240 its reverse (42247044037), we get a palindrome (772687786277).

The spelling of 730440742240 in words is "seven hundred thirty billion, four hundred forty million, seven hundred forty-two thousand, two hundred forty".