40226454 has 48 divisors (see below), whose sum is σ = 94281408. Its totient is φ = 12347136.

The previous prime is 40226441. The next prime is 40226467. The reversal of 40226454 is 45462204.

It is an interprime number because it is at equal distance from previous prime (40226441) and next prime (40226467).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12984 + ... + 15780.

It is an arithmetic number, because the mean of its divisors is an integer number (1964196).

Almost surely, 2^40226454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40226454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47140704).

40226454 is an abundant number, since it is smaller than the sum of its proper divisors (54054954).

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

40226454 is a wasteful number, since it uses less digits than its factorization.

40226454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869 (or 2866 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 40226454 is about 6342.4328139918. The cubic root of 40226454 is about 342.6393600568.

Adding to 40226454 its reverse (45462204), we get a palindrome (85688658).

The spelling of 40226454 in words is "forty million, two hundred twenty-six thousand, four hundred fifty-four".