28460931072 has 576 divisors, whose sum is σ = 95995186560. Its totient is φ = 7448297472.

The previous prime is 28460931067. The next prime is 28460931073. The reversal of 28460931072 is 27013906482.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28460931073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 342902743 + ... + 342902825.

It is an arithmetic number, because the mean of its divisors is an integer number (166658310).

Almost surely, 2^28460931072 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 28460931072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47997593280).

28460931072 is an abundant number, since it is smaller than the sum of its proper divisors (67534255488).

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

28460931072 is a wasteful number, since it uses less digits than its factorization.

28460931072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 28460931072 in words is "twenty-eight billion, four hundred sixty million, nine hundred thirty-one thousand, seventy-two".