740560558660 has 72 divisors (see below), whose sum is σ = 1685678609160. Its totient is φ = 273166553088.

The previous prime is 740560558643. The next prime is 740560558663. The reversal of 740560558660 is 66855065047.

It can be written as a sum of positive squares in 12 ways, for example, as 417429703744 + 323130854916 = 646088^2 + 568446^2 .

It is a super-2 number, since 2×740560558660² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 740560558598 and 740560558607.

It is not an unprimeable number, because it can be changed into a prime (740560558663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3315796 + ... + 3532084.

It is an arithmetic number, because the mean of its divisors is an integer number (23412202905).

Almost surely, 2^740560558660 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 740560558660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842839304580).

740560558660 is an abundant number, since it is smaller than the sum of its proper divisors (945118050500).

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

740560558660 is a wasteful number, since it uses less digits than its factorization.

740560558660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217337 (or 217322 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 52.

The spelling of 740560558660 in words is "seven hundred forty billion, five hundred sixty million, five hundred fifty-eight thousand, six hundred sixty".