4013531044 has 48 divisors (see below), whose sum is σ = 7642371520. Its totient is φ = 1837779840.

The previous prime is 4013531017. The next prime is 4013531057. The reversal of 4013531044 is 4401353104.

It is a super-2 number, since 2×4013531044² = 32216862882303459872, which contains 22 as substring.

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, 436939 + ... + 446029.

Almost surely, 2^4013531044 is an apocalyptic number.

It is an amenable number.

4013531044 is a deficient number, since it is larger than the sum of its proper divisors (3628840476).

4013531044 is a wasteful number, since it uses less digits than its factorization.

4013531044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9308 (or 9306 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4013531044 is about 63352.4351860290. The cubic root of 4013531044 is about 1589.1889702377.

Adding to 4013531044 its reverse (4401353104), we get a palindrome (8414884148).

The spelling of 4013531044 in words is "four billion, thirteen million, five hundred thirty-one thousand, forty-four".