6424155140064 has 48 divisors (see below), whose sum is σ = 16863602768208. Its totient is φ = 2141360218112.

The previous prime is 6424155140063. The next prime is 6424155140069. The reversal of 6424155140064 is 4600415514246.

It is a happy number.

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

It is a super-2 number, since 2×6424155140064² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6424155139998 and 6424155140025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6424155140063) 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, 9149824 + ... + 9826880.

It is an arithmetic number, because the mean of its divisors is an integer number (351325057671).

Almost surely, 2^{6424155140064} is an apocalyptic number.

It is an amenable number.

6424155140064 is an abundant number, since it is smaller than the sum of its proper divisors (10439447628144).

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

6424155140064 is a wasteful number, since it uses less digits than its factorization.

6424155140064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775907 (or 775899 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 6424155140064 in words is "six trillion, four hundred twenty-four billion, one hundred fifty-five million, one hundred forty thousand, sixty-four".