40311249 has 32 divisors (see below), whose sum is σ = 61737984. Its totient is φ = 23158080.

The previous prime is 40311239. The next prime is 40311259. The reversal of 40311249 is 94211304.

40311249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40311239) and next prime (40311259).

It is not a de Polignac number, because 40311249 - 2⁸ = 40310993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40311209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131154 + ... + 131460.

It is an arithmetic number, because the mean of its divisors is an integer number (1929312).

Almost surely, 2^40311249 is an apocalyptic number.

It is an amenable number.

40311249 is a deficient number, since it is larger than the sum of its proper divisors (21426735).

40311249 is a wasteful number, since it uses less digits than its factorization.

40311249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 40311249 is about 6349.1140326820. The cubic root of 40311249 is about 342.8799456312.

The spelling of 40311249 in words is "forty million, three hundred eleven thousand, two hundred forty-nine".