1040430452 has 12 divisors (see below), whose sum is σ = 1821484896. Its totient is φ = 520006200.

The previous prime is 1040430449. The next prime is 1040430487. The reversal of 1040430452 is 2540340401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40778 + ... + 61185.

It is an arithmetic number, because the mean of its divisors is an integer number (151790408).

Almost surely, 2^1040430452 is an apocalyptic number.

It is an amenable number.

1040430452 is a deficient number, since it is larger than the sum of its proper divisors (781054444).

1040430452 is a wasteful number, since it uses less digits than its factorization.

1040430452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104518 (or 104516 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1040430452 is about 32255.7041777110. The cubic root of 1040430452 is about 1013.2991654665.

Adding to 1040430452 its reverse (2540340401), we get a palindrome (3580770853).

The spelling of 1040430452 in words is "one billion, forty million, four hundred thirty thousand, four hundred fifty-two".