40399896699345 has 16 divisors (see below), whose sum is σ = 64699082989632. Its totient is φ = 21526862149440.

The previous prime is 40399896699313. The next prime is 40399896699367. The reversal of 40399896699345 is 54399669899304.

It is not a de Polignac number, because 40399896699345 - 2⁵ = 40399896699313 is a prime.

It is a Curzon 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, 1234322062 + ... + 1234354791.

It is an arithmetic number, because the mean of its divisors is an integer number (4043692686852).

Almost surely, 2^{40399896699345} is an apocalyptic number.

It is an amenable number.

40399896699345 is a deficient number, since it is larger than the sum of its proper divisors (24299186290287).

40399896699345 is a wasteful number, since it uses less digits than its factorization.

40399896699345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468677952.

The product of its (nonzero) digits is 12244400640, while the sum is 84.

The spelling of 40399896699345 in words is "forty trillion, three hundred ninety-nine billion, eight hundred ninety-six million, six hundred ninety-nine thousand, three hundred forty-five".