40352849 has 4 divisors (see below), whose sum is σ = 42726564. Its totient is φ = 37979136.

The previous prime is 40352831. The next prime is 40352861. The reversal of 40352849 is 94825304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18215824 + 22137025 = 4268^2 + 4705^2 .

It is a cyclic number.

It is not a de Polignac number, because 40352849 - 2⁸ = 40352593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40352869) 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, 1186832 + ... + 1186865.

It is an arithmetic number, because the mean of its divisors is an integer number (10681641).

Almost surely, 2^40352849 is an apocalyptic number.

It is an amenable number.

40352849 is a deficient number, since it is larger than the sum of its proper divisors (2373715).

40352849 is a wasteful number, since it uses less digits than its factorization.

40352849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373714.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 40352849 is about 6352.3892355554. The cubic root of 40352849 is about 342.9978523553.

The spelling of 40352849 in words is "forty million, three hundred fifty-two thousand, eight hundred forty-nine".