211404310432 has 48 divisors (see below), whose sum is σ = 492061772160. Its totient is φ = 87477643008.

The previous prime is 211404310427. The next prime is 211404310463. The reversal of 211404310432 is 234013404112.

It is a junction number, because it is equal to n+sod(n) for n = 211404310397 and 211404310406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16265388 + ... + 16278379.

It is an arithmetic number, because the mean of its divisors is an integer number (10251286920).

Almost surely, 2^211404310432 is an apocalyptic number.

It is an amenable number.

211404310432 is an abundant number, since it is smaller than the sum of its proper divisors (280657461728).

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

211404310432 is a wasteful number, since it uses less digits than its factorization.

211404310432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32543813 (or 32543805 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 211404310432 its reverse (234013404112), we get a palindrome (445417714544).

The spelling of 211404310432 in words is "two hundred eleven billion, four hundred four million, three hundred ten thousand, four hundred thirty-two".