40201249 has 8 divisors (see below), whose sum is σ = 43936992. Its totient is φ = 36479040.

The previous prime is 40201247. The next prime is 40201253. The reversal of 40201249 is 94210204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40201249 - 2¹ = 40201247 is a prime.

It is a super-2 number, since 2×40201249² = 3232280842320002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40201241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3442 + ... + 9604.

It is an arithmetic number, because the mean of its divisors is an integer number (5492124).

Almost surely, 2^40201249 is an apocalyptic number.

It is an amenable number.

40201249 is a deficient number, since it is larger than the sum of its proper divisors (3735743).

40201249 is a wasteful number, since it uses less digits than its factorization.

40201249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6767.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 40201249 is about 6340.4454890804. The cubic root of 40201249 is about 342.5677817081.

The spelling of 40201249 in words is "forty million, two hundred one thousand, two hundred forty-nine".