40306741 has 4 divisors (see below), whose sum is σ = 42059232. Its totient is φ = 38554252.

The previous prime is 40306687. The next prime is 40306757. The reversal of 40306741 is 14760304.

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 40306741 - 2⁹ = 40306229 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 (40306141) 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, 876211 + ... + 876256.

It is an arithmetic number, because the mean of its divisors is an integer number (10514808).

Almost surely, 2^40306741 is an apocalyptic number.

It is an amenable number.

40306741 is a deficient number, since it is larger than the sum of its proper divisors (1752491).

40306741 is a wasteful number, since it uses less digits than its factorization.

40306741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752490.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 40306741 is about 6348.7590125945. The cubic root of 40306741 is about 342.8671637531.

The spelling of 40306741 in words is "forty million, three hundred six thousand, seven hundred forty-one".