4031122144 has 48 divisors (see below), whose sum is σ = 9603564768. Its totient is φ = 1625997312.

The previous prime is 4031122087. The next prime is 4031122159. The reversal of 4031122144 is 4412211304.

It is a happy number.

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, 525489 + ... + 533104.

It is an arithmetic number, because the mean of its divisors is an integer number (200074266).

Almost surely, 2^4031122144 is an apocalyptic number.

It is an amenable number.

4031122144 is an abundant number, since it is smaller than the sum of its proper divisors (5572442624).

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

4031122144 is a wasteful number, since it uses less digits than its factorization.

4031122144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058627 (or 1058619 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4031122144 is about 63491.1186230011. The cubic root of 4031122144 is about 1591.5073642175.

Adding to 4031122144 its reverse (4412211304), we get a palindrome (8443333448).

The spelling of 4031122144 in words is "four billion, thirty-one million, one hundred twenty-two thousand, one hundred forty-four".