40363601 has 4 divisors (see below), whose sum is σ = 40620852. Its totient is φ = 40106352.

The previous prime is 40363591. The next prime is 40363607. The reversal of 40363601 is 10636304.

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 8271376 + 32092225 = 2876^2 + 5665^2 .

It is a cyclic number.

It is not a de Polignac number, because 40363601 - 2¹⁴ = 40347217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40363607) 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, 128390 + ... + 128703.

It is an arithmetic number, because the mean of its divisors is an integer number (10155213).

Almost surely, 2^40363601 is an apocalyptic number.

It is an amenable number.

40363601 is a deficient number, since it is larger than the sum of its proper divisors (257251).

40363601 is a wasteful number, since it uses less digits than its factorization.

40363601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257250.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 40363601 is about 6353.2354749372. The cubic root of 40363601 is about 343.0283135289.

Adding to 40363601 its reverse (10636304), we get a palindrome (50999905).

The spelling of 40363601 in words is "forty million, three hundred sixty-three thousand, six hundred one".