5178884640 has 48 divisors (see below), whose sum is σ = 16313488128. Its totient is φ = 1381035776.

The previous prime is 5178884629. The next prime is 5178884651. The reversal of 5178884640 is 464888715.

It is an interprime number because it is at equal distance from previous prime (5178884629) and next prime (5178884651).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×5178884640² = 53641692228855859200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5394192 + ... + 5395151.

It is an arithmetic number, because the mean of its divisors is an integer number (339864336).

Almost surely, 2^5178884640 is an apocalyptic number.

It is an amenable number.

5178884640 is an abundant number, since it is smaller than the sum of its proper divisors (11134603488).

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

5178884640 is a wasteful number, since it uses less digits than its factorization.

5178884640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10789361 (or 10789353 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 51.

The square root of 5178884640 is about 71964.4678990959. The cubic root of 5178884640 is about 1730.1300357778.

The spelling of 5178884640 in words is "five billion, one hundred seventy-eight million, eight hundred eighty-four thousand, six hundred forty".