6554731140 has 288 divisors, whose sum is σ = 22341070080. Its totient is φ = 1589898240.

The previous prime is 6554731111. The next prime is 6554731181. The reversal of 6554731140 is 411374556.

6554731140 is a `hidden beast` number, since 65 + 547 + 3 + 11 + 40 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 6554731095 and 6554731104.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8821609 + ... + 8822351.

It is an arithmetic number, because the mean of its divisors is an integer number (77573160).

Almost surely, 2^6554731140 is an apocalyptic number.

6554731140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6554731140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11170535040).

6554731140 is an abundant number, since it is smaller than the sum of its proper divisors (15786338940).

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

6554731140 is a wasteful number, since it uses less digits than its factorization.

6554731140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 6554731140 is about 80961.2940855073. The cubic root of 6554731140 is about 1871.4790114131.

The spelling of 6554731140 in words is "six billion, five hundred fifty-four million, seven hundred thirty-one thousand, one hundred forty".