1040634434 has 16 divisors (see below), whose sum is σ = 1845460800. Its totient is φ = 430607184.

The previous prime is 1040634421. The next prime is 1040634451. The reversal of 1040634434 is 4344360401.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1040634397 and 1040634406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281164 + ... + 1281975.

It is an arithmetic number, because the mean of its divisors is an integer number (115341300).

Almost surely, 2^1040634434 is an apocalyptic number.

1040634434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1040634434 is a deficient number, since it is larger than the sum of its proper divisors (804826366).

1040634434 is a wasteful number, since it uses less digits than its factorization.

1040634434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563177.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 1040634434 is about 32258.8659751083. The cubic root of 1040634434 is about 1013.3653820610.

Adding to 1040634434 its reverse (4344360401), we get a palindrome (5384994835).

The spelling of 1040634434 in words is "one billion, forty million, six hundred thirty-four thousand, four hundred thirty-four".