42044153377 has 2 divisors, whose sum is σ = 42044153378. Its totient is φ = 42044153376.

The previous prime is 42044153357. The next prime is 42044153461. The reversal of 42044153377 is 77335144024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33717773376 + 8326380001 = 183624^2 + 91249^2 .

It is a cyclic number.

It is not a de Polignac number, because 42044153377 - 2¹⁵ = 42044120609 is a prime.

It is not a weakly prime, because it can be changed into another prime (42044153317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21022076688 + 21022076689.

It is an arithmetic number, because the mean of its divisors is an integer number (21022076689).

Almost surely, 2^42044153377 is an apocalyptic number.

It is an amenable number.

42044153377 is a deficient number, since it is larger than the sum of its proper divisors (1).

42044153377 is an equidigital number, since it uses as much as digits as its factorization.

42044153377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 42044153377 in words is "forty-two billion, forty-four million, one hundred fifty-three thousand, three hundred seventy-seven".