40480819 has 2 divisors, whose sum is σ = 40480820. Its totient is φ = 40480818.

The previous prime is 40480807. The next prime is 40480829. The reversal of 40480819 is 91808404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40480819 - 2⁵ = 40480787 is a prime.

It is a super-2 number, since 2×40480819² = 3277393413821522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40480829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20240409 + 20240410.

It is an arithmetic number, because the mean of its divisors is an integer number (20240410).

Almost surely, 2^40480819 is an apocalyptic number.

40480819 is a deficient number, since it is larger than the sum of its proper divisors (1).

40480819 is an equidigital number, since it uses as much as digits as its factorization.

40480819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 40480819 is about 6362.4538505203. The cubic root of 40480819 is about 343.3600499732.

The spelling of 40480819 in words is "forty million, four hundred eighty thousand, eight hundred nineteen".