805948545402 has 320 divisors, whose sum is σ = 2474242848000. Its totient is φ = 193232511360.

The previous prime is 805948545349. The next prime is 805948545419. The reversal of 805948545402 is 204545849508.

805948545402 is a `hidden beast` number, since 8 + 0 + 5 + 9 + 48 + 54 + 540 + 2 = 666.

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

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 159 ways as a sum of consecutive naturals, for example, 7895224 + ... + 7996652.

It is an arithmetic number, because the mean of its divisors is an integer number (7732008900).

Almost surely, 2^805948545402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805948545402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1237121424000).

805948545402 is an abundant number, since it is smaller than the sum of its proper divisors (1668294302598).

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

805948545402 is a wasteful number, since it uses less digits than its factorization.

805948545402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101488 (or 101465 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 54.

The spelling of 805948545402 in words is "eight hundred five billion, nine hundred forty-eight million, five hundred forty-five thousand, four hundred two".