28498129344 has 224 divisors, whose sum is σ = 86457983040. Its totient is φ = 9198157824.

The previous prime is 28498129339. The next prime is 28498129351. The reversal of 28498129344 is 44392189482.

It is a happy number.

28498129344 is a `hidden beast` number, since 28 + 498 + 1 + 2 + 93 + 44 = 666.

It is a super-2 number, since 2×28498129344² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14896132 + ... + 14898044.

Almost surely, 2^28498129344 is an apocalyptic number.

28498129344 is a gapful number since it is divisible by the number (24) 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 28498129344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43228991520).

28498129344 is an abundant number, since it is smaller than the sum of its proper divisors (57959853696).

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

28498129344 is a wasteful number, since it uses less digits than its factorization.

28498129344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204 (or 2188 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 28498129344 in words is "twenty-eight billion, four hundred ninety-eight million, one hundred twenty-nine thousand, three hundred forty-four".