1040555471 has 2 divisors, whose sum is σ = 1040555472. Its totient is φ = 1040555470.

The previous prime is 1040555459. The next prime is 1040555521. The reversal of 1040555471 is 1745550401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040555471 is a prime.

It is a super-3 number, since 3×1040555471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040555071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520277735 + 520277736.

It is an arithmetic number, because the mean of its divisors is an integer number (520277736).

Almost surely, 2^1040555471 is an apocalyptic number.

1040555471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040555471 is an equidigital number, since it uses as much as digits as its factorization.

1040555471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 1040555471 is about 32257.6420557982. The cubic root of 1040555471 is about 1013.3397501349.

The spelling of 1040555471 in words is "one billion, forty million, five hundred fifty-five thousand, four hundred seventy-one".