10431596728 has 64 divisors (see below), whose sum is σ = 23384376000. Its totient is φ = 4267963392.

The previous prime is 10431596701. The next prime is 10431596737. The reversal of 10431596728 is 82769513401.

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, 108450 + ... + 180622.

It is an arithmetic number, because the mean of its divisors is an integer number (365380875).

It is a 1-persistent number, because it is pandigital, but 2⋅10431596728 = 20863193456 is not.

Almost surely, 2^10431596728 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 10431596728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11692188000).

10431596728 is an abundant number, since it is smaller than the sum of its proper divisors (12952779272).

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

10431596728 is a wasteful number, since it uses less digits than its factorization.

10431596728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72304 (or 72300 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 10431596728 in words is "ten billion, four hundred thirty-one million, five hundred ninety-six thousand, seven hundred twenty-eight".