4472591988 has 24 divisors (see below), whose sum is σ = 10455353440. Its totient is φ = 1488106080.

The previous prime is 4472591971. The next prime is 4472592011. The reversal of 4472591988 is 8891952744.

It is a super-2 number, since 2×4472591988² = 40008158182243584288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337978 + ... + 350961.

Almost surely, 2^4472591988 is an apocalyptic number.

It is an amenable number.

4472591988 is an abundant number, since it is smaller than the sum of its proper divisors (5982761452).

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

4472591988 is a wasteful number, since it uses less digits than its factorization.

4472591988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689487 (or 689485 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 57.

The square root of 4472591988 is about 66877.4400526814. The cubic root of 4472591988 is about 1647.6049718699.

The spelling of 4472591988 in words is "four billion, four hundred seventy-two million, five hundred ninety-one thousand, nine hundred eighty-eight".