64205075404848 has 160 divisors (see below), whose sum is σ = 202344917667840. Its totient is φ = 17134045205760.

The previous prime is 64205075404787. The next prime is 64205075404853. The reversal of 64205075404848 is 84840457050246.

It is a happy number.

It is a super-2 number, since 2×64205075404848² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70371990 + ... + 71278517.

It is an arithmetic number, because the mean of its divisors is an integer number (1264655735424).

Almost surely, 2^{64205075404848} is an apocalyptic number.

It is an amenable number.

64205075404848 is an abundant number, since it is smaller than the sum of its proper divisors (138139842262992).

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

64205075404848 is a wasteful number, since it uses less digits than its factorization.

64205075404848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141650615 (or 141650609 counting only the distinct ones).

The product of its (nonzero) digits is 34406400, while the sum is 57.

The spelling of 64205075404848 in words is "sixty-four trillion, two hundred five billion, seventy-five million, four hundred four thousand, eight hundred forty-eight".