3002440021 has 16 divisors (see below), whose sum is σ = 3613542400. Its totient is φ = 2437002288.

The previous prime is 3002440019. The next prime is 3002440037. The reversal of 3002440021 is 1200442003.

It is not a de Polignac number, because 3002440021 - 2¹ = 3002440019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3002439977 and 3002440004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3002443021) 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, 470176 + ... + 476518.

It is an arithmetic number, because the mean of its divisors is an integer number (225846400).

Almost surely, 2^3002440021 is an apocalyptic number.

It is an amenable number.

3002440021 is a deficient number, since it is larger than the sum of its proper divisors (611102379).

3002440021 is a wasteful number, since it uses less digits than its factorization.

3002440021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9928.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3002440021 is about 54794.5254655974. The cubic root of 3002440021 is about 1442.6404775951.

Adding to 3002440021 its reverse (1200442003), we get a palindrome (4202882024).

The spelling of 3002440021 in words is "three billion, two million, four hundred forty thousand, twenty-one".