4040022144 has 64 divisors (see below), whose sum is σ = 10737931680. Its totient is φ = 1345843200.

The previous prime is 4040022139. The next prime is 4040022157. The reversal of 4040022144 is 4412200404.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 4040022144.

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, 1196779 + ... + 1200149.

Almost surely, 2^4040022144 is an apocalyptic number.

It is an amenable number.

4040022144 is an abundant number, since it is smaller than the sum of its proper divisors (6697909536).

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

4040022144 is a wasteful number, since it uses less digits than its factorization.

4040022144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6509 (or 6497 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4040022144 is about 63561.1685229276. The cubic root of 4040022144 is about 1592.6777582694.

Adding to 4040022144 its reverse (4412200404), we get a palindrome (8452222548).

The spelling of 4040022144 in words is "four billion, forty million, twenty-two thousand, one hundred forty-four".