40123802989365 has 64 divisors (see below), whose sum is σ = 64721302560000. Its totient is φ = 21225388713984.

The previous prime is 40123802989289. The next prime is 40123802989399. The reversal of 40123802989365 is 56398920832104.

It is not a de Polignac number, because 40123802989365 - 2¹⁵ = 40123802956597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40123802989299 and 40123802989308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7448262202 + ... + 7448267588.

It is an arithmetic number, because the mean of its divisors is an integer number (1011270352500).

Almost surely, 2^{40123802989365} is an apocalyptic number.

It is an amenable number.

40123802989365 is a deficient number, since it is larger than the sum of its proper divisors (24597499570635).

40123802989365 is a wasteful number, since it uses less digits than its factorization.

40123802989365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9686.

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 40123802989365 in words is "forty trillion, one hundred twenty-three billion, eight hundred two million, nine hundred eighty-nine thousand, three hundred sixty-five".