28845606502440 has 192 divisors, whose sum is σ = 115382426140800. Its totient is φ = 6086105980416.

The previous prime is 28845606502411. The next prime is 28845606502441. The reversal of 28845606502440 is 4420560654882.

28845606502440 is a `hidden beast` number, since 2 + 8 + 8 + 4 + 5 + 606 + 5 + 0 + 24 + 4 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (28845606502441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 440223750 + ... + 440289269.

It is an arithmetic number, because the mean of its divisors is an integer number (600950136150).

Almost surely, 2^{28845606502440} is an apocalyptic number.

28845606502440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28845606502440 is an abundant number, since it is smaller than the sum of its proper divisors (86536819638360).

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

28845606502440 is a wasteful number, since it uses less digits than its factorization.

28845606502440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880513056 (or 880513049 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 54.

The spelling of 28845606502440 in words is "twenty-eight trillion, eight hundred forty-five billion, six hundred six million, five hundred two thousand, four hundred forty".