40365366905 has 16 divisors (see below), whose sum is σ = 51043910400. Its totient is φ = 30559052160.

The previous prime is 40365366901. The next prime is 40365366911. The reversal of 40365366905 is 50966356304.

It is not a de Polignac number, because 40365366905 - 2² = 40365366901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40365366905.

It is not an unprimeable number, because it can be changed into a prime (40365366901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146660 + ... + 319749.

It is an arithmetic number, because the mean of its divisors is an integer number (3190244400).

Almost surely, 2^40365366905 is an apocalyptic number.

It is an amenable number.

40365366905 is a deficient number, since it is larger than the sum of its proper divisors (10678543495).

40365366905 is a wasteful number, since it uses less digits than its factorization.

40365366905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467344.

The product of its (nonzero) digits is 1749600, while the sum is 47.

The spelling of 40365366905 in words is "forty billion, three hundred sixty-five million, three hundred sixty-six thousand, nine hundred five".