15490800000 has 576 divisors, whose sum is σ = 60184116720. Its totient is φ = 3801600000.

The previous prime is 15490799963. The next prime is 15490800011. The reversal of 15490800000 is 809451.

It is a tau number, because it is divible by the number of its divisors (576).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 46799835 + ... + 46800165.

Almost surely, 2^15490800000 is an apocalyptic number.

15490800000 is a gapful number since it is divisible by the number (10) 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 15490800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30092058360).

15490800000 is an abundant number, since it is smaller than the sum of its proper divisors (44693316720).

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

15490800000 is an equidigital number, since it uses as much as digits as its factorization.

15490800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 15490800000 in words is "fifteen billion, four hundred ninety million, eight hundred thousand".