40444634147 has 2 divisors, whose sum is σ = 40444634148. Its totient is φ = 40444634146.

The previous prime is 40444634081. The next prime is 40444634173. The reversal of 40444634147 is 74143644404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40444634147 - 2⁸ = 40444633891 is a prime.

It is not a weakly prime, because it can be changed into another prime (40444631147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20222317073 + 20222317074.

It is an arithmetic number, because the mean of its divisors is an integer number (20222317074).

Almost surely, 2^40444634147 is an apocalyptic number.

40444634147 is a deficient number, since it is larger than the sum of its proper divisors (1).

40444634147 is an equidigital number, since it uses as much as digits as its factorization.

40444634147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 41.

The spelling of 40444634147 in words is "forty billion, four hundred forty-four million, six hundred thirty-four thousand, one hundred forty-seven".