210113400026 has 4 divisors (see below), whose sum is σ = 315170100042. Its totient is φ = 105056700012.

The previous prime is 210113400023. The next prime is 210113400047. The reversal of 210113400026 is 620004311012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 161926564801 + 48186835225 = 402401^2 + 219515^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210113399980 and 210113400007.

It is not an unprimeable number, because it can be changed into a prime (210113400023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52528350005 + ... + 52528350008.

Almost surely, 2^210113400026 is an apocalyptic number.

210113400026 is a deficient number, since it is larger than the sum of its proper divisors (105056700016).

210113400026 is a wasteful number, since it uses less digits than its factorization.

210113400026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105056700015.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 210113400026 its reverse (620004311012), we get a palindrome (830117711038).

The spelling of 210113400026 in words is "two hundred ten billion, one hundred thirteen million, four hundred thousand, twenty-six".