7240265136 has 160 divisors (see below), whose sum is σ = 22420440000. Its totient is φ = 2223839232.

The previous prime is 7240265041. The next prime is 7240265141. The reversal of 7240265136 is 6315620427.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 7240265136.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5890570 + ... + 5891798.

It is an arithmetic number, because the mean of its divisors is an integer number (140127750).

Almost surely, 2^7240265136 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 7240265136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11210220000).

7240265136 is an abundant number, since it is smaller than the sum of its proper divisors (15180174864).

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

7240265136 is a wasteful number, since it uses less digits than its factorization.

7240265136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308 (or 2296 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 7240265136 is about 85089.7475375265. The cubic root of 7240265136 is about 1934.5716689079.

The spelling of 7240265136 in words is "seven billion, two hundred forty million, two hundred sixty-five thousand, one hundred thirty-six".