64240804208046 has 16 divisors (see below), whose sum is σ = 128486752300800. Its totient is φ = 21412744088568.

The previous prime is 64240804208003. The next prime is 64240804208059. The reversal of 64240804208046 is 64080240804246.

It is a super-2 number, since 2×64240804208046² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64240804207986 and 64240804208004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214166166 + ... + 214465913.

It is an arithmetic number, because the mean of its divisors is an integer number (8030422018800).

Almost surely, 2^{64240804208046} is an apocalyptic number.

64240804208046 is an abundant number, since it is smaller than the sum of its proper divisors (64245948092754).

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

64240804208046 is a wasteful number, since it uses less digits than its factorization.

64240804208046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428657063.

The product of its (nonzero) digits is 2359296, while the sum is 48.

The spelling of 64240804208046 in words is "sixty-four trillion, two hundred forty billion, eight hundred four million, two hundred eight thousand, forty-six".