4157889912 has 48 divisors (see below), whose sum is σ = 12284677080. Its totient is φ = 1259966400.

The previous prime is 4157889839. The next prime is 4157889913. The reversal of 4157889912 is 2199887514.

It is a happy number.

It is a super-2 number, since 2×4157889912² = 34576097040622735488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4157889913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2624139 + ... + 2625722.

Almost surely, 2^4157889912 is an apocalyptic number.

It is an amenable number.

4157889912 is an abundant number, since it is smaller than the sum of its proper divisors (8126787168).

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

4157889912 is a wasteful number, since it uses less digits than its factorization.

4157889912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249884 (or 5249877 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 54.

The square root of 4157889912 is about 64481.7021487491. The cubic root of 4157889912 is about 1608.0183316392.

The spelling of 4157889912 in words is "four billion, one hundred fifty-seven million, eight hundred eighty-nine thousand, nine hundred twelve".