1040178434 has 4 divisors (see below), whose sum is σ = 1560267654. Its totient is φ = 520089216.

The previous prime is 1040178431. The next prime is 1040178443. The reversal of 1040178434 is 4348710401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 610238209 + 429940225 = 24703^2 + 20735^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1040178434.

It is not an unprimeable number, because it can be changed into a prime (1040178431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260044607 + ... + 260044610.

Almost surely, 2^1040178434 is an apocalyptic number.

1040178434 is a deficient number, since it is larger than the sum of its proper divisors (520089220).

1040178434 is an equidigital number, since it uses as much as digits as its factorization.

1040178434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520089219.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 1040178434 is about 32251.7973762704. The cubic root of 1040178434 is about 1013.2173434827.

Adding to 1040178434 its reverse (4348710401), we get a palindrome (5388888835).

The spelling of 1040178434 in words is "one billion, forty million, one hundred seventy-eight thousand, four hundred thirty-four".