40044102377 has 2 divisors, whose sum is σ = 40044102378. Its totient is φ = 40044102376.

The previous prime is 40044102317. The next prime is 40044102383. The reversal of 40044102377 is 77320144004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26536084201 + 13508018176 = 162899^2 + 116224^2 .

It is a cyclic number.

It is not a de Polignac number, because 40044102377 - 2⁸ = 40044102121 is a prime.

It is not a weakly prime, because it can be changed into another prime (40044102317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20022051188 + 20022051189.

It is an arithmetic number, because the mean of its divisors is an integer number (20022051189).

Almost surely, 2^40044102377 is an apocalyptic number.

It is an amenable number.

40044102377 is a deficient number, since it is larger than the sum of its proper divisors (1).

40044102377 is an equidigital number, since it uses as much as digits as its factorization.

40044102377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 32.

The spelling of 40044102377 in words is "forty billion, forty-four million, one hundred two thousand, three hundred seventy-seven".