7131840480 has 96 divisors (see below), whose sum is σ = 24961456800. Its totient is φ = 1901822976.

The previous prime is 7131840427. The next prime is 7131840497. The reversal of 7131840480 is 840481317.

7131840480 is a `hidden beast` number, since 7 + 131 + 8 + 40 + 480 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821125 + ... + 829764.

It is an arithmetic number, because the mean of its divisors is an integer number (260015175).

Almost surely, 2^7131840480 is an apocalyptic number.

It is an amenable number.

7131840480 is an abundant number, since it is smaller than the sum of its proper divisors (17829616320).

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

7131840480 is a wasteful number, since it uses less digits than its factorization.

7131840480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650913 (or 1650899 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 7131840480 is about 84450.2248664857. The cubic root of 7131840480 is about 1924.8661720648.

The spelling of 7131840480 in words is "seven billion, one hundred thirty-one million, eight hundred forty thousand, four hundred eighty".