4127891268 has 24 divisors (see below), whose sum is σ = 9632885472. Its totient is φ = 1375801024.

The previous prime is 4127891237. The next prime is 4127891269. The reversal of 4127891268 is 8621987214.

It is a happy number.

4127891268 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×4127891268³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4127891269) 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, 129496 + ... + 158192.

It is an arithmetic number, because the mean of its divisors is an integer number (401370228).

Almost surely, 2^4127891268 is an apocalyptic number.

It is an amenable number.

4127891268 is an abundant number, since it is smaller than the sum of its proper divisors (5504994204).

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

4127891268 is a wasteful number, since it uses less digits than its factorization.

4127891268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40691 (or 40689 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 4127891268 is about 64248.6674414341. The cubic root of 4127891268 is about 1604.1417781490.

The spelling of 4127891268 in words is "four billion, one hundred twenty-seven million, eight hundred ninety-one thousand, two hundred sixty-eight".