40235363665 has 16 divisors (see below), whose sum is σ = 56221060608. Its totient is φ = 27069397056.

The previous prime is 40235363659. The next prime is 40235363671. The reversal of 40235363665 is 56636353204.

It is an interprime number because it is at equal distance from previous prime (40235363659) and next prime (40235363671).

It is a cyclic number.

It is not a de Polignac number, because 40235363665 - 2⁷ = 40235363537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10843257 + ... + 10846966.

It is an arithmetic number, because the mean of its divisors is an integer number (3513816288).

Almost surely, 2^40235363665 is an apocalyptic number.

It is an amenable number.

40235363665 is a deficient number, since it is larger than the sum of its proper divisors (15985696943).

40235363665 is a wasteful number, since it uses less digits than its factorization.

40235363665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21690288.

The product of its (nonzero) digits is 1166400, while the sum is 43.

The spelling of 40235363665 in words is "forty billion, two hundred thirty-five million, three hundred sixty-three thousand, six hundred sixty-five".