40226737 has 2 divisors, whose sum is σ = 40226738. Its totient is φ = 40226736.

The previous prime is 40226729. The next prime is 40226749. The reversal of 40226737 is 73762204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22240656 + 17986081 = 4716^2 + 4241^2 .

It is a cyclic number.

It is not a de Polignac number, because 40226737 - 2³ = 40226729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40226699 and 40226708.

It is not a weakly prime, because it can be changed into another prime (40226237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20113368 + 20113369.

It is an arithmetic number, because the mean of its divisors is an integer number (20113369).

Almost surely, 2^40226737 is an apocalyptic number.

It is an amenable number.

40226737 is a deficient number, since it is larger than the sum of its proper divisors (1).

40226737 is an equidigital number, since it uses as much as digits as its factorization.

40226737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 40226737 is about 6342.4551240036. The cubic root of 40226737 is about 342.6401635638.

The spelling of 40226737 in words is "forty million, two hundred twenty-six thousand, seven hundred thirty-seven".