5190394464 has 324 divisors, whose sum is σ = 16539315156. Its totient is φ = 1600953984.

The previous prime is 5190394453. The next prime is 5190394477. The reversal of 5190394464 is 4644930915.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

5190394464 is a `hidden beast` number, since 519 + 0 + 3 + 94 + 46 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (324).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 120706827 + ... + 120706869.

It is an arithmetic number, because the mean of its divisors is an integer number (51047269).

Almost surely, 2^5190394464 is an apocalyptic number.

5190394464 is a gapful number since it is divisible by the number (54) 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 5190394464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8269657578).

5190394464 is an abundant number, since it is smaller than the sum of its proper divisors (11348920692).

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

5190394464 is an equidigital number, since it uses as much as digits as its factorization.

5190394464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 5190394464 is about 72044.3923147388. The cubic root of 5190394464 is about 1731.4107979186.

The spelling of 5190394464 in words is "five billion, one hundred ninety million, three hundred ninety-four thousand, four hundred sixty-four".