1040555377 has 2 divisors, whose sum is σ = 1040555378. Its totient is φ = 1040555376.

The previous prime is 1040555371. The next prime is 1040555437. The reversal of 1040555377 is 7735550401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1039482081 + 1073296 = 32241^2 + 1036^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040555377 - 2²³ = 1032166769 is a prime.

It is a super-2 number, since 2×1040555377² = 2165510985207224258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1040555371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520277688 + 520277689.

It is an arithmetic number, because the mean of its divisors is an integer number (520277689).

Almost surely, 2^1040555377 is an apocalyptic number.

It is an amenable number.

1040555377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040555377 is an equidigital number, since it uses as much as digits as its factorization.

1040555377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 1040555377 is about 32257.6405987791. The cubic root of 1040555377 is about 1013.3397196211.

The spelling of 1040555377 in words is "one billion, forty million, five hundred fifty-five thousand, three hundred seventy-seven".