1040776801 has 2 divisors, whose sum is σ = 1040776802. Its totient is φ = 1040776800.

The previous prime is 1040776783. The next prime is 1040776843. The reversal of 1040776801 is 1086770401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 545269201 + 495507600 = 23351^2 + 22260^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040776801 - 2²⁵ = 1007222369 is a prime.

It is not a weakly prime, because it can be changed into another prime (1040776001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520388400 + 520388401.

It is an arithmetic number, because the mean of its divisors is an integer number (520388401).

Almost surely, 2^1040776801 is an apocalyptic number.

It is an amenable number.

1040776801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040776801 is an equidigital number, since it uses as much as digits as its factorization.

1040776801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 1040776801 is about 32261.0725333179. The cubic root of 1040776801 is about 1013.4115920799.

The spelling of 1040776801 in words is "one billion, forty million, seven hundred seventy-six thousand, eight hundred one".