11040430442 has 16 divisors (see below), whose sum is σ = 17134626600. Its totient is φ = 5328953280.

The previous prime is 11040430433. The next prime is 11040430459. The reversal of 11040430442 is 24403404011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10013804761 + 1026625681 = 100069^2 + 32041^2 .

It is a super-2 number, since 2×11040430442² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432392 + ... + 457212.

Almost surely, 2^11040430442 is an apocalyptic number.

11040430442 is a deficient number, since it is larger than the sum of its proper divisors (6094196158).

11040430442 is a wasteful number, since it uses less digits than its factorization.

11040430442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32521.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 11040430442 its reverse (24403404011), we get a palindrome (35443834453).

The spelling of 11040430442 in words is "eleven billion, forty million, four hundred thirty thousand, four hundred forty-two".