7478407849584 has 160 divisors (see below), whose sum is σ = 23333766543360. Its totient is φ = 2016165600000.

The previous prime is 7478407849499. The next prime is 7478407849589. The reversal of 7478407849584 is 4859487048747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7478407849589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 731142 + ... + 3935909.

It is an arithmetic number, because the mean of its divisors is an integer number (145836040896).

Almost surely, 2^{7478407849584} 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 7478407849584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11666883271680).

7478407849584 is an abundant number, since it is smaller than the sum of its proper divisors (15855358693776).

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

7478407849584 is a wasteful number, since it uses less digits than its factorization.

7478407849584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667339 (or 4667333 counting only the distinct ones).

The product of its (nonzero) digits is 2023096320, while the sum is 75.

The spelling of 7478407849584 in words is "seven trillion, four hundred seventy-eight billion, four hundred seven million, eight hundred forty-nine thousand, five hundred eighty-four".