1040434425 has 36 divisors (see below), whose sum is σ = 1973160540. Its totient is φ = 522255360.

The previous prime is 1040434411. The next prime is 1040434427. The reversal of 1040434425 is 5244340401.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 23270976 + 1017163449 = 4824^2 + 31893^2 .

It is not a de Polignac number, because 1040434425 - 2⁸ = 1040434169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1040434427) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 132180 + ... + 139829.

It is an arithmetic number, because the mean of its divisors is an integer number (54810015).

Almost surely, 2^1040434425 is an apocalyptic number.

1040434425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040434425 is a deficient number, since it is larger than the sum of its proper divisors (932726115).

1040434425 is a wasteful number, since it uses less digits than its factorization.

1040434425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272042 (or 272034 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1040434425 is about 32255.7657636584. The cubic root of 1040434425 is about 1013.3004552636.

Adding to 1040434425 its reverse (5244340401), we get a palindrome (6284774826).

The spelling of 1040434425 in words is "one billion, forty million, four hundred thirty-four thousand, four hundred twenty-five".