28652626445520 has 480 divisors, whose sum is σ = 112986003897216. Its totient is φ = 5939639193600.

The previous prime is 28652626445519. The next prime is 28652626445539. The reversal of 28652626445520 is 2554462625682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 54197502 + ... + 54723618.

Almost surely, 2^{28652626445520} is an apocalyptic number.

28652626445520 is a gapful number since it is divisible by the number (20) 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 28652626445520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56493001948608).

28652626445520 is an abundant number, since it is smaller than the sum of its proper divisors (84333377451696).

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

28652626445520 is a wasteful number, since it uses less digits than its factorization.

28652626445520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526579 (or 526566 counting only the distinct ones).

The product of its (nonzero) digits is 55296000, while the sum is 57.

The spelling of 28652626445520 in words is "twenty-eight trillion, six hundred fifty-two billion, six hundred twenty-six million, four hundred forty-five thousand, five hundred twenty".