28372038576420 has 384 divisors, whose sum is σ = 99692753190912. Its totient is φ = 5856993676800.

The previous prime is 28372038576419. The next prime is 28372038576463. The reversal of 28372038576420 is 2467583027382.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 505829617 + ... + 505885703.

It is an arithmetic number, because the mean of its divisors is an integer number (259616544768).

Almost surely, 2^{28372038576420} is an apocalyptic number.

28372038576420 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 28372038576420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49846376595456).

28372038576420 is an abundant number, since it is smaller than the sum of its proper divisors (71320714614492).

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

28372038576420 is a wasteful number, since it uses less digits than its factorization.

28372038576420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56831 (or 56829 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 57.

The spelling of 28372038576420 in words is "twenty-eight trillion, three hundred seventy-two billion, thirty-eight million, five hundred seventy-six thousand, four hundred twenty".