28499745837024 has 2304 divisors, whose sum is σ = 115950297415680. Its totient is φ = 6585255936000.

The previous prime is 28499745837011. The next prime is 28499745837077. The reversal of 28499745837024 is 42073854799482.

It is a happy number.

28499745837024 is a `hidden beast` number, since 2 + 8 + 499 + 7 + 45 + 8 + 3 + 70 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 266352764779 + ... + 266352764885.

It is an arithmetic number, because the mean of its divisors is an integer number (50325649920).

Almost surely, 2^{28499745837024} is an apocalyptic number.

28499745837024 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 28499745837024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57975148707840).

28499745837024 is an abundant number, since it is smaller than the sum of its proper divisors (87450551578656).

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

28499745837024 is a wasteful number, since it uses less digits than its factorization.

28499745837024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 975421440, while the sum is 72.

The spelling of 28499745837024 in words is "twenty-eight trillion, four hundred ninety-nine billion, seven hundred forty-five million, eight hundred thirty-seven thousand, twenty-four".