15731764048 has 160 divisors (see below), whose sum is σ = 41797324800. Its totient is φ = 5537134080.

The previous prime is 15731763991. The next prime is 15731764049. The reversal of 15731764048 is 84046713751.

It is a junction number, because it is equal to n+sod(n) for n = 15731763989 and 15731764007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15731764049) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 742303 + ... + 763201.

It is an arithmetic number, because the mean of its divisors is an integer number (261233280).

Almost surely, 2^15731764048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15731764048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20898662400).

15731764048 is an abundant number, since it is smaller than the sum of its proper divisors (26065560752).

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

15731764048 is a wasteful number, since it uses less digits than its factorization.

15731764048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20985 (or 20979 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 15731764048 in words is "fifteen billion, seven hundred thirty-one million, seven hundred sixty-four thousand, forty-eight".