226761040 has 80 divisors (see below), whose sum is σ = 579962880. Its totient is φ = 81768960.

The previous prime is 226761019. The next prime is 226761091. The reversal of 226761040 is 40167622.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110746 + ... + 112774.

It is an arithmetic number, because the mean of its divisors is an integer number (7249536).

Almost surely, 2^226761040 is an apocalyptic number.

226761040 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 226761040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289981440).

226761040 is an abundant number, since it is smaller than the sum of its proper divisors (353201840).

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

226761040 is a wasteful number, since it uses less digits than its factorization.

226761040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180 (or 2174 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 226761040 is about 15058.5869190970. The cubic root of 226761040 is about 609.8028925107.

It can be divided in two parts, 22676 and 1040, that added together give a square (23716 = 154²).

The spelling of 226761040 in words is "two hundred twenty-six million, seven hundred sixty-one thousand, forty".