40950149 has 4 divisors (see below), whose sum is σ = 43105440. Its totient is φ = 38794860.

The previous prime is 40950137. The next prime is 40950167. The reversal of 40950149 is 94105904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40950149 - 2¹² = 40946053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40950179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077617 + ... + 1077654.

It is an arithmetic number, because the mean of its divisors is an integer number (10776360).

Almost surely, 2^40950149 is an apocalyptic number.

It is an amenable number.

40950149 is a deficient number, since it is larger than the sum of its proper divisors (2155291).

40950149 is a wasteful number, since it uses less digits than its factorization.

40950149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155290.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 40950149 is about 6399.2303443461. The cubic root of 40950149 is about 344.6819136372.

The spelling of 40950149 in words is "forty million, nine hundred fifty thousand, one hundred forty-nine".