2026403685 has 12 divisors (see below), whose sum is σ = 3512433132. Its totient is φ = 1080748608.

The previous prime is 2026403669. The next prime is 2026403711. The reversal of 2026403685 is 5863046202.

2026403685 is a `hidden beast` number, since 2 + 0 + 2 + 640 + 3 + 6 + 8 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 421439841 + 1604963844 = 20529^2 + 40062^2 .

It is not a de Polignac number, because 2026403685 - 2⁴ = 2026403669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22515552 + ... + 22515641.

It is an arithmetic number, because the mean of its divisors is an integer number (292702761).

Almost surely, 2^2026403685 is an apocalyptic number.

It is an amenable number.

2026403685 is a deficient number, since it is larger than the sum of its proper divisors (1486029447).

2026403685 is a wasteful number, since it uses less digits than its factorization.

2026403685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45031204 (or 45031201 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2026403685 is about 45015.5937981495. The cubic root of 2026403685 is about 1265.4412548247.

Adding to 2026403685 its reverse (5863046202), we get a palindrome (7889449887).

The spelling of 2026403685 in words is "two billion, twenty-six million, four hundred three thousand, six hundred eighty-five".