1040330403 has 24 divisors (see below), whose sum is σ = 1718835456. Its totient is φ = 593967600.

The previous prime is 1040330393. The next prime is 1040330413. The reversal of 1040330403 is 3040330401.

It is an interprime number because it is at equal distance from previous prime (1040330393) and next prime (1040330413).

It is not a de Polignac number, because 1040330403 - 2⁴ = 1040330387 is a prime.

It is a super-2 number, since 2×1040330403² = 2164574694812284818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1040330413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74938 + ... + 87728.

It is an arithmetic number, because the mean of its divisors is an integer number (71618144).

Almost surely, 2^1040330403 is an apocalyptic number.

1040330403 is a deficient number, since it is larger than the sum of its proper divisors (678505053).

1040330403 is a wasteful number, since it uses less digits than its factorization.

1040330403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14095 (or 14092 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1040330403 is about 32254.1532674476. The cubic root of 1040330403 is about 1013.2666844173.

Adding to 1040330403 its reverse (3040330401), we get a palindrome (4080660804).

The spelling of 1040330403 in words is "one billion, forty million, three hundred thirty thousand, four hundred three".