4214431988 has 24 divisors (see below), whose sum is σ = 8409795912. Its totient is φ = 1830703104.

The previous prime is 4214431961. The next prime is 4214431997. The reversal of 4214431988 is 8891344124.

It can be written as a sum of positive squares in 4 ways, for example, as 85264 + 4214346724 = 292^2 + 64918^2 .

It is a super-2 number, since 2×4214431988² = 35522873962955264288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2382845 + ... + 2384612.

It is an arithmetic number, because the mean of its divisors is an integer number (350408163).

Almost surely, 2^4214431988 is an apocalyptic number.

It is an amenable number.

4214431988 is a deficient number, since it is larger than the sum of its proper divisors (4195363924).

4214431988 is a wasteful number, since it uses less digits than its factorization.

4214431988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4767491 (or 4767489 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 4214431988 is about 64918.6567020606. The cubic root of 4214431988 is about 1615.2745478605.

The spelling of 4214431988 in words is "four billion, two hundred fourteen million, four hundred thirty-one thousand, nine hundred eighty-eight".