3040015021 has 16 divisors (see below), whose sum is σ = 3278608704. Its totient is φ = 2808509184.

The previous prime is 3040015009. The next prime is 3040015039. The reversal of 3040015021 is 1205100403.

It is a cyclic number.

It is not a de Polignac number, because 3040015021 - 2⁷ = 3040014893 is a prime.

It is a super-3 number, since 3×3040015021³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3040014986 and 3040015004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040015001) 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, 214666 + ... + 228388.

It is an arithmetic number, because the mean of its divisors is an integer number (204913044).

Almost surely, 2^3040015021 is an apocalyptic number.

It is an amenable number.

3040015021 is a deficient number, since it is larger than the sum of its proper divisors (238593683).

3040015021 is a wasteful number, since it uses less digits than its factorization.

3040015021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13980.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 3040015021 is about 55136.3312254270. The cubic root of 3040015021 is about 1448.6336746373.

Adding to 3040015021 its reverse (1205100403), we get a palindrome (4245115424).

The spelling of 3040015021 in words is "three billion, forty million, fifteen thousand, twenty-one".