40471799 has 2 divisors, whose sum is σ = 40471800. Its totient is φ = 40471798.

The previous prime is 40471763. The next prime is 40471813. The reversal of 40471799 is 99717404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40471799 - 2¹² = 40467703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40471199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20235899 + 20235900.

It is an arithmetic number, because the mean of its divisors is an integer number (20235900).

Almost surely, 2^40471799 is an apocalyptic number.

40471799 is a deficient number, since it is larger than the sum of its proper divisors (1).

40471799 is an equidigital number, since it uses as much as digits as its factorization.

40471799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 40471799 is about 6361.7449650234. The cubic root of 40471799 is about 343.3345454027.

The spelling of 40471799 in words is "forty million, four hundred seventy-one thousand, seven hundred ninety-nine".