3400520443 has 4 divisors (see below), whose sum is σ = 3483460008. Its totient is φ = 3317580880.

The previous prime is 3400520423. The next prime is 3400520467. The reversal of 3400520443 is 3440250043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3440250043 = 109 ⋅31561927.

It is a cyclic number.

It is not a de Polignac number, because 3400520443 - 2⁵ = 3400520411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3400520423) 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, 41469721 + ... + 41469802.

It is an arithmetic number, because the mean of its divisors is an integer number (870865002).

Almost surely, 2^3400520443 is an apocalyptic number.

3400520443 is a deficient number, since it is larger than the sum of its proper divisors (82939565).

3400520443 is an equidigital number, since it uses as much as digits as its factorization.

3400520443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82939564.

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

The square root of 3400520443 is about 58313.9815395931. The cubic root of 3400520443 is about 1503.7713165383.

Adding to 3400520443 its reverse (3440250043), we get a palindrome (6840770486).

The spelling of 3400520443 in words is "three billion, four hundred million, five hundred twenty thousand, four hundred forty-three".