7231640000 has 140 divisors (see below), whose sum is σ = 19312899144. Its totient is φ = 2669952000.

The previous prime is 7231639999. The next prime is 7231640033. The reversal of 7231640000 is 461327.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 513047 + ... + 526953.

Almost surely, 2^7231640000 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 7231640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9656449572).

7231640000 is an abundant number, since it is smaller than the sum of its proper divisors (12081259144).

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

7231640000 is a wasteful number, since it uses less digits than its factorization.

7231640000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13952 (or 13927 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 7231640000 is about 85039.0498535820. The cubic root of 7231640000 is about 1933.8031623379.

The spelling of 7231640000 in words is "seven billion, two hundred thirty-one million, six hundred forty thousand".