40303061 has 4 divisors (see below), whose sum is σ = 42055392. Its totient is φ = 38550732.

The previous prime is 40303051. The next prime is 40303097. The reversal of 40303061 is 16030304.

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 40303061 - 2¹⁰ = 40302037 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 (40303031) 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, 876131 + ... + 876176.

It is an arithmetic number, because the mean of its divisors is an integer number (10513848).

Almost surely, 2^40303061 is an apocalyptic number.

It is an amenable number.

40303061 is a deficient number, since it is larger than the sum of its proper divisors (1752331).

40303061 is a wasteful number, since it uses less digits than its factorization.

40303061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752330.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 40303061 is about 6348.4691855596. The cubic root of 40303061 is about 342.8567288603.

Adding to 40303061 its reverse (16030304), we get a palindrome (56333365).

The spelling of 40303061 in words is "forty million, three hundred three thousand, sixty-one".