4257867489648 has 40 divisors (see below), whose sum is σ = 11000687363328. Its totient is φ = 1419134795712.

The previous prime is 4257867489643. The next prime is 4257867489713. The reversal of 4257867489648 is 8469847687524.

It is a super-2 number, since 2×4257867489648² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257867489643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4377640 + ... + 5261127.

Almost surely, 2^{4257867489648} is an apocalyptic number.

4257867489648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4257867489648 is an abundant number, since it is smaller than the sum of its proper divisors (6742819873680).

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

4257867489648 is a wasteful number, since it uses less digits than its factorization.

4257867489648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9647981 (or 9647975 counting only the distinct ones).

The product of its digits is 5202247680, while the sum is 78.

The spelling of 4257867489648 in words is "four trillion, two hundred fifty-seven billion, eight hundred sixty-seven million, four hundred eighty-nine thousand, six hundred forty-eight".