40352149 has 4 divisors (see below), whose sum is σ = 40577760. Its totient is φ = 40126540.

The previous prime is 40352131. The next prime is 40352153. The reversal of 40352149 is 94125304.

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 40352149 - 2²³ = 31963541 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 (40352129) 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, 112537 + ... + 112894.

It is an arithmetic number, because the mean of its divisors is an integer number (10144440).

Almost surely, 2^40352149 is an apocalyptic number.

It is an amenable number.

40352149 is a deficient number, since it is larger than the sum of its proper divisors (225611).

40352149 is a wasteful number, since it uses less digits than its factorization.

40352149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225610.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 40352149 is about 6352.3341379370. The cubic root of 40352149 is about 342.9958690184.

The spelling of 40352149 in words is "forty million, three hundred fifty-two thousand, one hundred forty-nine".