2440421377 has 2 divisors, whose sum is σ = 2440421378. Its totient is φ = 2440421376.

The previous prime is 2440421363. The next prime is 2440421387. The reversal of 2440421377 is 7731240442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2404529296 + 35892081 = 49036^2 + 5991^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440421377 - 2¹¹ = 2440419329 is a prime.

It is a super-2 number, since 2×2440421377² = 11911312994637152258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2440421387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220210688 + 1220210689.

It is an arithmetic number, because the mean of its divisors is an integer number (1220210689).

Almost surely, 2^2440421377 is an apocalyptic number.

It is an amenable number.

2440421377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440421377 is an equidigital number, since it uses as much as digits as its factorization.

2440421377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 2440421377 is about 49400.6212207903. The cubic root of 2440421377 is about 1346.3405928483.

The spelling of 2440421377 in words is "two billion, four hundred forty million, four hundred twenty-one thousand, three hundred seventy-seven".