226523453640 has 128 divisors (see below), whose sum is σ = 753503022720. Its totient is φ = 54014515200.

The previous prime is 226523453633. The next prime is 226523453693. The reversal of 226523453640 is 46354325622.

It is a junction number, because it is equal to n+sod(n) for n = 226523453592 and 226523453601.

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, 1326109 + ... + 1487148.

It is an arithmetic number, because the mean of its divisors is an integer number (5886742365).

Almost surely, 2^226523453640 is an apocalyptic number.

226523453640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226523453640 is an abundant number, since it is smaller than the sum of its proper divisors (526979569080).

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

226523453640 is a wasteful number, since it uses less digits than its factorization.

226523453640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813343 (or 2813339 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 226523453640 in words is "two hundred twenty-six billion, five hundred twenty-three million, four hundred fifty-three thousand, six hundred forty".