436043042 has 4 divisors (see below), whose sum is σ = 654064566. Its totient is φ = 218021520.

The previous prime is 436043009. The next prime is 436043051. The reversal of 436043042 is 240340634.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240340634 = 2 ⋅120170317.

It can be written as a sum of positive squares in only one way, i.e., 303770041 + 132273001 = 17429^2 + 11501^2 .

It is a super-2 number, since 2×436043042² = 380267068953227528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109010759 + ... + 109010762.

Almost surely, 2^436043042 is an apocalyptic number.

436043042 is a deficient number, since it is larger than the sum of its proper divisors (218021524).

436043042 is a wasteful number, since it uses less digits than its factorization.

436043042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218021523.

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

The square root of 436043042 is about 20881.6436613596. The cubic root of 436043042 is about 758.3036043358.

Adding to 436043042 its reverse (240340634), we get a palindrome (676383676).

The spelling of 436043042 in words is "four hundred thirty-six million, forty-three thousand, forty-two".