40403133434 has 4 divisors (see below), whose sum is σ = 60604700154. Its totient is φ = 20201566716.

The previous prime is 40403133403. The next prime is 40403133437. The reversal of 40403133434 is 43433130404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38692070209 + 1711063225 = 196703^2 + 41365^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40403133397 and 40403133406.

It is not an unprimeable number, because it can be changed into a prime (40403133437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100783357 + ... + 10100783360.

Almost surely, 2^40403133434 is an apocalyptic number.

40403133434 is a deficient number, since it is larger than the sum of its proper divisors (20201566720).

40403133434 is a wasteful number, since it uses less digits than its factorization.

40403133434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20201566719.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 40403133434 its reverse (43433130404), we get a palindrome (83836263838).

The spelling of 40403133434 in words is "forty billion, four hundred three million, one hundred thirty-three thousand, four hundred thirty-four".