226405432040 has 16 divisors (see below), whose sum is σ = 509412222180. Its totient is φ = 90562172800.

The previous prime is 226405432031. The next prime is 226405432063. The reversal of 226405432040 is 40234504622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 196669188676 + 29736243364 = 443474^2 + 172442^2 .

It is a junction number, because it is equal to n+sod(n) for n = 226405431988 and 226405432006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2830067861 + ... + 2830067940.

Almost surely, 2^226405432040 is an apocalyptic number.

226405432040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226405432040 is an abundant number, since it is smaller than the sum of its proper divisors (283006790140).

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

226405432040 is a wasteful number, since it uses less digits than its factorization.

226405432040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5660135812 (or 5660135808 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 226405432040 its reverse (40234504622), we get a palindrome (266639936662).

The spelling of 226405432040 in words is "two hundred twenty-six billion, four hundred five million, four hundred thirty-two thousand, forty".