40041268 has 6 divisors (see below), whose sum is σ = 70072226. Its totient is φ = 20020632.

The previous prime is 40041263. The next prime is 40041269. The reversal of 40041268 is 86214004.

It can be written as a sum of positive squares in only one way, i.e., 37601424 + 2439844 = 6132^2 + 1562^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40041263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005155 + ... + 5005162.

Almost surely, 2^40041268 is an apocalyptic number.

It is an amenable number.

40041268 is a deficient number, since it is larger than the sum of its proper divisors (30030958).

40041268 is a wasteful number, since it uses less digits than its factorization.

40041268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010321 (or 10010319 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 40041268 is about 6327.8170011466. The cubic root of 40041268 is about 342.1127610573.

The spelling of 40041268 in words is "forty million, forty-one thousand, two hundred sixty-eight".