42040210365 has 12 divisors (see below), whose sum is σ = 72869698044. Its totient is φ = 22421445504.

The previous prime is 42040210343. The next prime is 42040210427. The reversal of 42040210365 is 56301204024.

It can be written as a sum of positive squares in 2 ways, for example, as 15555577284 + 26484633081 = 124722^2 + 162741^2 .

It is not a de Polignac number, because 42040210365 - 2⁷ = 42040210237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 467113404 + ... + 467113493.

It is an arithmetic number, because the mean of its divisors is an integer number (6072474837).

Almost surely, 2^42040210365 is an apocalyptic number.

42040210365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42040210365 is a deficient number, since it is larger than the sum of its proper divisors (30829487679).

42040210365 is a wasteful number, since it uses less digits than its factorization.

42040210365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934226908 (or 934226905 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 42040210365 its reverse (56301204024), we get a palindrome (98341414389).

It can be divided in two parts, 42040 and 210365, that added together give a triangular number (252405 = T₇₁₀).

The spelling of 42040210365 in words is "forty-two billion, forty million, two hundred ten thousand, three hundred sixty-five".