40204040260619 has 2 divisors, whose sum is σ = 40204040260620. Its totient is φ = 40204040260618.

The previous prime is 40204040260609. The next prime is 40204040260627. The reversal of 40204040260619 is 91606204040204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40204040260619 - 2¹⁶ = 40204040195083 is a prime.

It is a super-2 number, since 2×40204040260619² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40204040260609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20102020130309 + 20102020130310.

It is an arithmetic number, because the mean of its divisors is an integer number (20102020130310).

Almost surely, 2^{40204040260619} is an apocalyptic number.

40204040260619 is a deficient number, since it is larger than the sum of its proper divisors (1).

40204040260619 is an equidigital number, since it uses as much as digits as its factorization.

40204040260619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 40204040260619 in words is "forty trillion, two hundred four billion, forty million, two hundred sixty thousand, six hundred nineteen".