226405077240 has 128 divisors (see below), whose sum is σ = 720436680000. Its totient is φ = 56723079168.

The previous prime is 226405077229. The next prime is 226405077251. The reversal of 226405077240 is 42770504622.

It is a happy number.

226405077240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (226405077229) and next prime (226405077251).

It is a congruent number.

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, 1063236 + ... + 1258284.

Almost surely, 2^226405077240 is an apocalyptic number.

226405077240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226405077240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360218340000).

226405077240 is an abundant number, since it is smaller than the sum of its proper divisors (494031602760).

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

226405077240 is a wasteful number, since it uses less digits than its factorization.

226405077240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195649 (or 195645 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 39.

The spelling of 226405077240 in words is "two hundred twenty-six billion, four hundred five million, seventy-seven thousand, two hundred forty".