2400040620377 has 2 divisors, whose sum is σ = 2400040620378. Its totient is φ = 2400040620376.

The previous prime is 2400040620361. The next prime is 2400040620389. The reversal of 2400040620377 is 7730260400042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2075705814361 + 324334806016 = 1440731^2 + 569504^2 .

It is a cyclic number.

It is not a de Polignac number, because 2400040620377 - 2⁴ = 2400040620361 is a prime.

It is not a weakly prime, because it can be changed into another prime (2400040620877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200020310188 + 1200020310189.

It is an arithmetic number, because the mean of its divisors is an integer number (1200020310189).

Almost surely, 2^{2400040620377} is an apocalyptic number.

It is an amenable number.

2400040620377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400040620377 is an equidigital number, since it uses as much as digits as its factorization.

2400040620377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 35.

The spelling of 2400040620377 in words is "two trillion, four hundred billion, forty million, six hundred twenty thousand, three hundred seventy-seven".