7234556640 has 96 divisors (see below), whose sum is σ = 22862601216. Its totient is φ = 1922972160.

The previous prime is 7234556633. The next prime is 7234556687. The reversal of 7234556640 is 466554327.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 7234556592 and 7234556601.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 125049 + ... + 173511.

It is an arithmetic number, because the mean of its divisors is an integer number (238152096).

Almost surely, 2^7234556640 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 7234556640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11431300608).

7234556640 is an abundant number, since it is smaller than the sum of its proper divisors (15628044576).

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

7234556640 is a wasteful number, since it uses less digits than its factorization.

7234556640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48792 (or 48784 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The square root of 7234556640 is about 85056.1969523679. The cubic root of 7234556640 is about 1934.0631056593.

The spelling of 7234556640 in words is "seven billion, two hundred thirty-four million, five hundred fifty-six thousand, six hundred forty".