15630046336 has 64 divisors (see below), whose sum is σ = 32540627520. Its totient is φ = 7464010752.

The previous prime is 15630046331. The next prime is 15630046343. The reversal of 15630046336 is 63364003651.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 15630046295 and 15630046304.

It is not an unprimeable number, because it can be changed into a prime (15630046331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2154331 + ... + 2161573.

It is an arithmetic number, because the mean of its divisors is an integer number (508447305).

Almost surely, 2^15630046336 is an apocalyptic number.

15630046336 is a gapful number since it is divisible by the number (16) 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 15630046336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16270313760).

15630046336 is an abundant number, since it is smaller than the sum of its proper divisors (16910581184).

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

15630046336 is an equidigital number, since it uses as much as digits as its factorization.

15630046336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8013 (or 8001 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 37.

Adding to 15630046336 its reverse (63364003651), we get a palindrome (78994049987).

The spelling of 15630046336 in words is "fifteen billion, six hundred thirty million, forty-six thousand, three hundred thirty-six".