26820362445 has 32 divisors (see below), whose sum is σ = 44792808192. Its totient is φ = 13677852672.

The previous prime is 26820362441. The next prime is 26820362449. The reversal of 26820362445 is 54426302862.

It is an interprime number because it is at equal distance from previous prime (26820362441) and next prime (26820362449).

It is not a de Polignac number, because 26820362445 - 2² = 26820362441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26820362397 and 26820362406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26820362441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1237119 + ... + 1258611.

It is an arithmetic number, because the mean of its divisors is an integer number (1399775256).

Almost surely, 2^26820362445 is an apocalyptic number.

It is an amenable number.

26820362445 is a deficient number, since it is larger than the sum of its proper divisors (17972445747).

26820362445 is a wasteful number, since it uses less digits than its factorization.

26820362445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25141.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 26820362445 in words is "twenty-six billion, eight hundred twenty million, three hundred sixty-two thousand, four hundred forty-five".