40252049 has 4 divisors (see below), whose sum is σ = 40266240. Its totient is φ = 40237860.

The previous prime is 40252033. The next prime is 40252063. The reversal of 40252049 is 94025204.

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 40252049 - 2⁴ = 40252033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40252019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1217 + ... + 9054.

It is an arithmetic number, because the mean of its divisors is an integer number (10066560).

Almost surely, 2^40252049 is an apocalyptic number.

It is an amenable number.

40252049 is a deficient number, since it is larger than the sum of its proper divisors (14191).

40252049 is a wasteful number, since it uses less digits than its factorization.

40252049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14190.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 40252049 is about 6344.4502519919. The cubic root of 40252049 is about 342.7120153553.

The spelling of 40252049 in words is "forty million, two hundred fifty-two thousand, forty-nine".