15828808340 has 12 divisors (see below), whose sum is σ = 33240497556. Its totient is φ = 6331523328.

The previous prime is 15828808313. The next prime is 15828808367. The reversal of 15828808340 is 4380882851.

It is an interprime number because it is at equal distance from previous prime (15828808313) and next prime (15828808367).

It can be written as a sum of positive squares in 2 ways, for example, as 5745033616 + 10083774724 = 75796^2 + 100418^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395720189 + ... + 395720228.

It is an arithmetic number, because the mean of its divisors is an integer number (2770041463).

Almost surely, 2^15828808340 is an apocalyptic number.

15828808340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15828808340 is an abundant number, since it is smaller than the sum of its proper divisors (17411689216).

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

15828808340 is a wasteful number, since it uses less digits than its factorization.

15828808340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791440426 (or 791440424 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 47.

The spelling of 15828808340 in words is "fifteen billion, eight hundred twenty-eight million, eight hundred eight thousand, three hundred forty".