6266464440 has 96 divisors (see below), whose sum is σ = 19085809680. Its totient is φ = 1645974528.

The previous prime is 6266464439. The next prime is 6266464441. The reversal of 6266464440 is 444646626.

It is an interprime number because it is at equal distance from previous prime (6266464439) and next prime (6266464441).

It is a junction number, because it is equal to n+sod(n) for n = 6266464392 and 6266464401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6266464441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 532864 + ... + 544496.

Almost surely, 2^6266464440 is an apocalyptic number.

6266464440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6266464440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9542904840).

6266464440 is an abundant number, since it is smaller than the sum of its proper divisors (12819345240).

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

6266464440 is a wasteful number, since it uses less digits than its factorization.

6266464440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11781 (or 11710 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The square root of 6266464440 is about 79161.0032781293. The cubic root of 6266464440 is about 1843.6318114952.

The spelling of 6266464440 in words is "six billion, two hundred sixty-six million, four hundred sixty-four thousand, four hundred forty".