40050949 has 2 divisors, whose sum is σ = 40050950. Its totient is φ = 40050948.

The previous prime is 40050947. The next prime is 40050961. The reversal of 40050949 is 94905004.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36602500 + 3448449 = 6050^2 + 1857^2 .

It is a cyclic number.

It is not a de Polignac number, because 40050949 - 2¹ = 40050947 is a prime.

Together with 40050947, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_2436538 and since 40050949 and 2436538 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40050949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40050947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20025474 + 20025475.

It is an arithmetic number, because the mean of its divisors is an integer number (20025475).

Almost surely, 2^40050949 is an apocalyptic number.

It is an amenable number.

40050949 is a deficient number, since it is larger than the sum of its proper divisors (1).

40050949 is an equidigital number, since it uses as much as digits as its factorization.

40050949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 40050949 is about 6328.5819106653. The cubic root of 40050949 is about 342.1403303370.

The spelling of 40050949 in words is "forty million, fifty thousand, nine hundred forty-nine".