3126406560 has 192 divisors, whose sum is σ = 10315081728. Its totient is φ = 794461184.

The previous prime is 3126406511. The next prime is 3126406597. The reversal of 3126406560 is 656046213.

It is a super-2 number, since 2×3126406560² = 19548835956822067200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5552839 + ... + 5553401.

It is an arithmetic number, because the mean of its divisors is an integer number (53724384).

Almost surely, 2^3126406560 is an apocalyptic number.

3126406560 is a gapful number since it is divisible by the number (30) 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 3126406560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5157540864).

3126406560 is an abundant number, since it is smaller than the sum of its proper divisors (7188675168).

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

3126406560 is a wasteful number, since it uses less digits than its factorization.

3126406560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 3126406560 is about 55914.2786772753. The cubic root of 3126406560 is about 1462.2281858791.

The spelling of 3126406560 in words is "three billion, one hundred twenty-six million, four hundred six thousand, five hundred sixty".