1040432425 has 12 divisors (see below), whose sum is σ = 1290885136. Its totient is φ = 831862800.

The previous prime is 1040432413. The next prime is 1040432443. The reversal of 1040432425 is 5242340401.

It is a happy number.

It is not a de Polignac number, because 1040432425 - 2²¹ = 1038335273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040432425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35530 + ... + 57820.

Almost surely, 2^1040432425 is an apocalyptic number.

It is an amenable number.

1040432425 is a deficient number, since it is larger than the sum of its proper divisors (250452711).

1040432425 is a wasteful number, since it uses less digits than its factorization.

1040432425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24168 (or 24163 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1040432425 is about 32255.7347614343. The cubic root of 1040432425 is about 1013.2998059828.

Adding to 1040432425 its reverse (5242340401), we get a palindrome (6282772826).

The spelling of 1040432425 in words is "one billion, forty million, four hundred thirty-two thousand, four hundred twenty-five".