40233449 has 2 divisors, whose sum is σ = 40233450. Its totient is φ = 40233448.

The previous prime is 40233409. The next prime is 40233493. The reversal of 40233449 is 94433204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38688400 + 1545049 = 6220^2 + 1243^2 .

It is a cyclic number.

It is not a de Polignac number, because 40233449 - 2²⁴ = 23456233 is a prime.

It is not a weakly prime, because it can be changed into another prime (40233409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20116724 + 20116725.

It is an arithmetic number, because the mean of its divisors is an integer number (20116725).

Almost surely, 2^40233449 is an apocalyptic number.

It is an amenable number.

40233449 is a deficient number, since it is larger than the sum of its proper divisors (1).

40233449 is an equidigital number, since it uses as much as digits as its factorization.

40233449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 40233449 is about 6342.9842345697. The cubic root of 40233449 is about 342.6592194874.

The spelling of 40233449 in words is "forty million, two hundred thirty-three thousand, four hundred forty-nine".