4001225262464 has 32 divisors (see below), whose sum is σ = 7988482157040. Its totient is φ = 1996272878080.

The previous prime is 4001225262451. The next prime is 4001225262473. The reversal of 4001225262464 is 4642625221004.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33845084 + ... + 33963099.

Almost surely, 2^{4001225262464} is an apocalyptic number.

It is an amenable number.

4001225262464 is a deficient number, since it is larger than the sum of its proper divisors (3987256894576).

4001225262464 is an equidigital number, since it uses as much as digits as its factorization.

4001225262464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67808658 (or 67808646 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 4001225262464 in words is "four trillion, one billion, two hundred twenty-five million, two hundred sixty-two thousand, four hundred sixty-four".