4001001244 has 24 divisors (see below), whose sum is σ = 7038804528. Its totient is φ = 1989936000.

The previous prime is 4001001239. The next prime is 4001001307. The reversal of 4001001244 is 4421001004.

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, 938622 + ... + 942874.

It is an arithmetic number, because the mean of its divisors is an integer number (293283522).

Almost surely, 2^4001001244 is an apocalyptic number.

It is an amenable number.

4001001244 is a deficient number, since it is larger than the sum of its proper divisors (3037803284).

4001001244 is a wasteful number, since it uses less digits than its factorization.

4001001244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445 (or 5443 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4001001244 is about 63253.4682369275. The cubic root of 4001001244 is about 1587.5334889002.

Adding to 4001001244 its reverse (4421001004), we get a palindrome (8422002248).

The spelling of 4001001244 in words is "four billion, one million, one thousand, two hundred forty-four".