6400134262752 has 48 divisors (see below), whose sum is σ = 17254416028752. Its totient is φ = 2075719219200.

The previous prime is 6400134262741. The next prime is 6400134262783. The reversal of 6400134262752 is 2572624310046.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×6400134262752² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 900916249 + ... + 900923352.

It is an arithmetic number, because the mean of its divisors is an integer number (359467000599).

Almost surely, 2^{6400134262752} is an apocalyptic number.

It is an amenable number.

6400134262752 is an abundant number, since it is smaller than the sum of its proper divisors (10854281766000).

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

6400134262752 is a wasteful number, since it uses less digits than its factorization.

6400134262752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801839651 (or 1801839643 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

Adding to 6400134262752 its reverse (2572624310046), we get a palindrome (8972758572798).

The spelling of 6400134262752 in words is "six trillion, four hundred billion, one hundred thirty-four million, two hundred sixty-two thousand, seven hundred fifty-two".