40088443 has 2 divisors, whose sum is σ = 40088444. Its totient is φ = 40088442.

The previous prime is 40088429. The next prime is 40088467. The reversal of 40088443 is 34488004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40088443 - 2¹³ = 40080251 is a prime.

It is not a weakly prime, because it can be changed into another prime (40088413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20044221 + 20044222.

It is an arithmetic number, because the mean of its divisors is an integer number (20044222).

Almost surely, 2^40088443 is an apocalyptic number.

40088443 is a deficient number, since it is larger than the sum of its proper divisors (1).

40088443 is an equidigital number, since it uses as much as digits as its factorization.

40088443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 40088443 is about 6331.5434927038. The cubic root of 40088443 is about 342.2470627938.

The spelling of 40088443 in words is "forty million, eighty-eight thousand, four hundred forty-three".