5378399526 has 32 divisors (see below), whose sum is σ = 11093241600. Its totient is φ = 1737582560.

The previous prime is 5378399519. The next prime is 5378399539. The reversal of 5378399526 is 6259938735.

It is a happy number.

It is a super-2 number, since 2×5378399526² = 57854362922554049352, which contains 22 as substring.

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, 81861 + ... + 132128.

It is an arithmetic number, because the mean of its divisors is an integer number (346663800).

Almost surely, 2^5378399526 is an apocalyptic number.

5378399526 is an abundant number, since it is smaller than the sum of its proper divisors (5714842074).

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

5378399526 is a wasteful number, since it uses less digits than its factorization.

5378399526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214124.

The product of its digits is 12247200, while the sum is 57.

The square root of 5378399526 is about 73337.5724032368. The cubic root of 5378399526 is about 1752.0682513653.

The spelling of 5378399526 in words is "five billion, three hundred seventy-eight million, three hundred ninety-nine thousand, five hundred twenty-six".