4126565680 has 20 divisors (see below), whose sum is σ = 9594265392. Its totient is φ = 1650626240.

The previous prime is 4126565657. The next prime is 4126565687. The reversal of 4126565680 is 865656214.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×4126565680² = 34057088622707724800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4126565687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25790956 + ... + 25791115.

Almost surely, 2^4126565680 is an apocalyptic number.

4126565680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4126565680 is an abundant number, since it is smaller than the sum of its proper divisors (5467699712).

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

4126565680 is a wasteful number, since it uses less digits than its factorization.

4126565680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51582084 (or 51582078 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 4126565680 is about 64238.3505392223. The cubic root of 4126565680 is about 1603.9700473052.

The spelling of 4126565680 in words is "four billion, one hundred twenty-six million, five hundred sixty-five thousand, six hundred eighty".