1040041477 has 4 divisors (see below), whose sum is σ = 1040106496. Its totient is φ = 1039976460.

The previous prime is 1040041463. The next prime is 1040041489. The reversal of 1040041477 is 7741400401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7741400401 = 7 ⋅1105914343.

It is a cyclic number.

It is not a de Polignac number, because 1040041477 - 2⁷ = 1040041349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040041447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10108 + ... + 46714.

It is an arithmetic number, because the mean of its divisors is an integer number (260026624).

Almost surely, 2^1040041477 is an apocalyptic number.

It is an amenable number.

1040041477 is a deficient number, since it is larger than the sum of its proper divisors (65019).

1040041477 is an equidigital number, since it uses as much as digits as its factorization.

1040041477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65018.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 1040041477 is about 32249.6740603684. The cubic root of 1040041477 is about 1013.1728724913.

Adding to 1040041477 its reverse (7741400401), we get a palindrome (8781441878).

The spelling of 1040041477 in words is "one billion, forty million, forty-one thousand, four hundred seventy-seven".