6637254480 has 160 divisors (see below), whose sum is σ = 22893534720. Its totient is φ = 1767467520.

The previous prime is 6637254469. The next prime is 6637254521. The reversal of 6637254480 is 844527366.

6637254480 is a `hidden beast` number, since 6 + 637 + 2 + 5 + 4 + 4 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1966074 + ... + 1969446.

It is an arithmetic number, because the mean of its divisors is an integer number (143084592).

Almost surely, 2^6637254480 is an apocalyptic number.

6637254480 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 6637254480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11446767360).

6637254480 is an abundant number, since it is smaller than the sum of its proper divisors (16256280240).

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

6637254480 is a wasteful number, since it uses less digits than its factorization.

6637254480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306 (or 4294 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The square root of 6637254480 is about 81469.3468735327. The cubic root of 6637254480 is about 1879.3001846802.

The spelling of 6637254480 in words is "six billion, six hundred thirty-seven million, two hundred fifty-four thousand, four hundred eighty".