3440040523 has 4 divisors (see below), whose sum is σ = 3558662640. Its totient is φ = 3321418408.

The previous prime is 3440040511. The next prime is 3440040533. The reversal of 3440040523 is 3250400443.

3440040523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3250400443 = 8147 ⋅398969.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3440040523 is a prime.

It is a super-2 number, since 2×3440040523² = 23667757599764227058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3440040533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59311015 + ... + 59311072.

It is an arithmetic number, because the mean of its divisors is an integer number (889665660).

Almost surely, 2^3440040523 is an apocalyptic number.

3440040523 is a deficient number, since it is larger than the sum of its proper divisors (118622117).

3440040523 is a wasteful number, since it uses less digits than its factorization.

3440040523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118622116.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 3440040523 is about 58651.8586491511. The cubic root of 3440040523 is about 1509.5743903771.

Adding to 3440040523 its reverse (3250400443), we get a palindrome (6690440966).

The spelling of 3440040523 in words is "three billion, four hundred forty million, forty thousand, five hundred twenty-three".