40899277619 has 2 divisors, whose sum is σ = 40899277620. Its totient is φ = 40899277618.

The previous prime is 40899277561. The next prime is 40899277631. The reversal of 40899277619 is 91677299804.

40899277619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40899277619 - 2¹⁶ = 40899212083 is a prime.

It is a super-2 number, since 2×40899277619² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40899277919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20449638809 + 20449638810.

It is an arithmetic number, because the mean of its divisors is an integer number (20449638810).

Almost surely, 2^40899277619 is an apocalyptic number.

40899277619 is a deficient number, since it is larger than the sum of its proper divisors (1).

40899277619 is an equidigital number, since it uses as much as digits as its factorization.

40899277619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13716864, while the sum is 62.

The spelling of 40899277619 in words is "forty billion, eight hundred ninety-nine million, two hundred seventy-seven thousand, six hundred nineteen".