44542440419 has 2 divisors, whose sum is σ = 44542440420. Its totient is φ = 44542440418.

The previous prime is 44542440407. The next prime is 44542440421. The reversal of 44542440419 is 91404424544.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44542440419 is a prime.

It is a super-2 number, since 2×44542440419² (a number of 22 digits) contains 22 as substring.

Together with 44542440421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44542442419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22271220209 + 22271220210.

It is an arithmetic number, because the mean of its divisors is an integer number (22271220210).

Almost surely, 2^44542440419 is an apocalyptic number.

44542440419 is a deficient number, since it is larger than the sum of its proper divisors (1).

44542440419 is an equidigital number, since it uses as much as digits as its factorization.

44542440419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 44542440419 in words is "forty-four billion, five hundred forty-two million, four hundred forty thousand, four hundred nineteen".