7650453888 has 720 divisors, whose sum is σ = 29694481740. Its totient is φ = 1933424640.

The previous prime is 7650453887. The next prime is 7650453901. The reversal of 7650453888 is 8883540567.

7650453888 is a `hidden beast` number, since 7 + 6 + 504 + 53 + 8 + 88 = 666.

It is a super-3 number, since 3×7650453888³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7650453887) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 206769006 + ... + 206769042.

Almost surely, 2^7650453888 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 7650453888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14847240870).

7650453888 is an abundant number, since it is smaller than the sum of its proper divisors (22044027852).

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

7650453888 is a wasteful number, since it uses less digits than its factorization.

7650453888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The square root of 7650453888 is about 87466.8730891873. The cubic root of 7650453888 is about 1970.4363045410.

The spelling of 7650453888 in words is "seven billion, six hundred fifty million, four hundred fifty-three thousand, eight hundred eighty-eight".