40368361 has 4 divisors (see below), whose sum is σ = 44038224. Its totient is φ = 36698500.

The previous prime is 40368359. The next prime is 40368373. The reversal of 40368361 is 16386304.

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 40368361 - 2¹ = 40368359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40368061) 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, 1834915 + ... + 1834936.

It is an arithmetic number, because the mean of its divisors is an integer number (11009556).

Almost surely, 2^40368361 is an apocalyptic number.

It is an amenable number.

40368361 is a deficient number, since it is larger than the sum of its proper divisors (3669863).

40368361 is a wasteful number, since it uses less digits than its factorization.

40368361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669862.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 40368361 is about 6353.6100761693. The cubic root of 40368361 is about 343.0417972167.

The spelling of 40368361 in words is "forty million, three hundred sixty-eight thousand, three hundred sixty-one".