4001232444 has 48 divisors (see below), whose sum is σ = 10627787520. Its totient is φ = 1159776640.

The previous prime is 4001232437. The next prime is 4001232461. The reversal of 4001232444 is 4442321004.

It is a happy number.

It is a super-2 number, since 2×4001232444² = 32019722141836426272, 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 15 ways as a sum of consecutive naturals, for example, 655929 + ... + 662000.

It is an arithmetic number, because the mean of its divisors is an integer number (221412240).

Almost surely, 2^4001232444 is an apocalyptic number.

4001232444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4001232444 is an abundant number, since it is smaller than the sum of its proper divisors (6626555076).

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

4001232444 is a wasteful number, since it uses less digits than its factorization.

4001232444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317970 (or 1317968 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4001232444 is about 63255.2957782983. The cubic root of 4001232444 is about 1587.5640671356.

Adding to 4001232444 its reverse (4442321004), we get a palindrome (8443553448).

The spelling of 4001232444 in words is "four billion, one million, two hundred thirty-two thousand, four hundred forty-four".