40229573 has 2 divisors, whose sum is σ = 40229574. Its totient is φ = 40229572.

The previous prime is 40229557. The next prime is 40229617. The reversal of 40229573 is 37592204.

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., 34550884 + 5678689 = 5878^2 + 2383^2 .

It is a cyclic number.

It is not a de Polignac number, because 40229573 - 2⁴ = 40229557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40229533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20114786 + 20114787.

It is an arithmetic number, because the mean of its divisors is an integer number (20114787).

Almost surely, 2^40229573 is an apocalyptic number.

It is an amenable number.

40229573 is a deficient number, since it is larger than the sum of its proper divisors (1).

40229573 is an equidigital number, since it uses as much as digits as its factorization.

40229573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 40229573 is about 6342.6786927922. The cubic root of 40229573 is about 342.6482154611.

The spelling of 40229573 in words is "forty million, two hundred twenty-nine thousand, five hundred seventy-three".