7240299660 has 216 divisors, whose sum is σ = 25453065456. Its totient is φ = 1651845120.

The previous prime is 7240299607. The next prime is 7240299691. The reversal of 7240299660 is 669920427.

It is a super-3 number, since 3×7240299660³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 565894 + ... + 578546.

It is an arithmetic number, because the mean of its divisors is an integer number (117838266).

Almost surely, 2^7240299660 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 7240299660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12726532728).

7240299660 is an abundant number, since it is smaller than the sum of its proper divisors (18212765796).

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

7240299660 is a wasteful number, since it uses less digits than its factorization.

7240299660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12713 (or 12691 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 7240299660 is about 85089.9504054386. The cubic root of 7240299660 is about 1934.5747437974.

The spelling of 7240299660 in words is "seven billion, two hundred forty million, two hundred ninety-nine thousand, six hundred sixty".