3400324440021 has 16 divisors (see below), whose sum is σ = 5037646460800. Its totient is φ = 2266825012704.

The previous prime is 3400324439987. The next prime is 3400324440041. The reversal of 3400324440021 is 1200444230043.

It is a happy number.

It is not a de Polignac number, because 3400324440021 - 2²² = 3400320245717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400324440041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520456 + ... + 2659233.

It is an arithmetic number, because the mean of its divisors is an integer number (314852903800).

Almost surely, 2^{3400324440021} is an apocalyptic number.

It is an amenable number.

3400324440021 is a deficient number, since it is larger than the sum of its proper divisors (1637322020779).

3400324440021 is a wasteful number, since it uses less digits than its factorization.

3400324440021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219305 (or 3219299 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 3400324440021 its reverse (1200444230043), we get a palindrome (4600768670064).

The spelling of 3400324440021 in words is "three trillion, four hundred billion, three hundred twenty-four million, four hundred forty thousand, twenty-one".