40081041 has 64 divisors (see below), whose sum is σ = 79779840. Its totient is φ = 19206720.

The previous prime is 40081037. The next prime is 40081043. The reversal of 40081041 is 14018004.

It is not a de Polignac number, because 40081041 - 2² = 40081037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40081043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26286 + ... + 27768.

It is an arithmetic number, because the mean of its divisors is an integer number (1246560).

Almost surely, 2^40081041 is an apocalyptic number.

It is an amenable number.

40081041 is a deficient number, since it is larger than the sum of its proper divisors (39698799).

40081041 is a wasteful number, since it uses less digits than its factorization.

40081041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523 (or 1517 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 40081041 is about 6330.9589321050. The cubic root of 40081041 is about 342.2259971325.

Adding to 40081041 its reverse (14018004), we get a palindrome (54099045).

The spelling of 40081041 in words is "forty million, eighty-one thousand, forty-one".