1040343434 has 16 divisors (see below), whose sum is σ = 1683595368. Its totient is φ = 479289792.

The previous prime is 1040343433. The next prime is 1040343439. The reversal of 1040343434 is 4343430401.

It can be written as a sum of positive squares in 4 ways, for example, as 509179225 + 531164209 = 22565^2 + 23047^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1040343433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21437 + ... + 50400.

Almost surely, 2^1040343434 is an apocalyptic number.

1040343434 is a deficient number, since it is larger than the sum of its proper divisors (643251934).

1040343434 is a wasteful number, since it uses less digits than its factorization.

1040343434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72409.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 1040343434 is about 32254.3552718079. The cubic root of 1040343434 is about 1013.2709150679.

Adding to 1040343434 its reverse (4343430401), we get a palindrome (5383773835).

The spelling of 1040343434 in words is "one billion, forty million, three hundred forty-three thousand, four hundred thirty-four".