7485632551920 has 80 divisors (see below), whose sum is σ = 23255151753600. Its totient is φ = 1991894199552.

The previous prime is 7485632551909. The next prime is 7485632551921. The reversal of 7485632551920 is 291552365847.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7485632551921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33282070 + ... + 33506229.

It is an arithmetic number, because the mean of its divisors is an integer number (290689396920).

It is a 2-persistent number, because it is pandigital, and so is 2⋅7485632551920 = 14971265103840, but 3⋅7485632551920 = 22456897655760 is not.

Almost surely, 2^{7485632551920} is an apocalyptic number.

It is an amenable number.

7485632551920 is an abundant number, since it is smaller than the sum of its proper divisors (15769519201680).

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

7485632551920 is a wasteful number, since it uses less digits than its factorization.

7485632551920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66788782 (or 66788776 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 57.

The spelling of 7485632551920 in words is "seven trillion, four hundred eighty-five billion, six hundred thirty-two million, five hundred fifty-one thousand, nine hundred twenty".