40537019 has 2 divisors, whose sum is σ = 40537020. Its totient is φ = 40537018.

The previous prime is 40536967. The next prime is 40537037. The reversal of 40537019 is 91073504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40537019 - 2²⁰ = 39488443 is a prime.

It is a super-2 number, since 2×40537019² = 3286499818812722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 40536982 and 40537000.

It is not a weakly prime, because it can be changed into another prime (40537219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20268509 + 20268510.

It is an arithmetic number, because the mean of its divisors is an integer number (20268510).

Almost surely, 2^40537019 is an apocalyptic number.

40537019 is a deficient number, since it is larger than the sum of its proper divisors (1).

40537019 is an equidigital number, since it uses as much as digits as its factorization.

40537019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 40537019 is about 6366.8688536831. The cubic root of 40537019 is about 343.5188734371.

The spelling of 40537019 in words is "forty million, five hundred thirty-seven thousand, nineteen".