210006306426 has 64 divisors (see below), whose sum is σ = 481239198720. Its totient is φ = 59848899840.

The previous prime is 210006306409. The next prime is 210006306439. The reversal of 210006306426 is 624603600012.

It is a junction number, because it is equal to n+sod(n) for n = 210006306393 and 210006306402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33560290 + ... + 33566546.

It is an arithmetic number, because the mean of its divisors is an integer number (7519362480).

Almost surely, 2^210006306426 is an apocalyptic number.

210006306426 is an abundant number, since it is smaller than the sum of its proper divisors (271232892294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210006306426 is a wasteful number, since it uses less digits than its factorization.

210006306426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8179.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 210006306426 its reverse (624603600012), we get a palindrome (834609906438).

The spelling of 210006306426 in words is "two hundred ten billion, six million, three hundred six thousand, four hundred twenty-six".