4013240144 has 40 divisors (see below), whose sum is σ = 7854809760. Its totient is φ = 1986297728.

The previous prime is 4013240141. The next prime is 4013240171. The reversal of 4013240144 is 4410423104.

It is a happy number.

It is a super-2 number, since 2×4013240144² = 32212192906826281472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013240141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647042 + ... + 653214.

It is an arithmetic number, because the mean of its divisors is an integer number (196370244).

Almost surely, 2^4013240144 is an apocalyptic number.

It is an amenable number.

4013240144 is a deficient number, since it is larger than the sum of its proper divisors (3841569616).

4013240144 is a wasteful number, since it uses less digits than its factorization.

4013240144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6587 (or 6581 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4013240144 is about 63350.1392579369. The cubic root of 4013240144 is about 1589.1505746009.

Adding to 4013240144 its reverse (4410423104), we get a palindrome (8423663248).

The spelling of 4013240144 in words is "four billion, thirteen million, two hundred forty thousand, one hundred forty-four".