3021021040 has 120 divisors (see below), whose sum is σ = 7645729392. Its totient is φ = 1109237760.

The previous prime is 3021021019. The next prime is 3021021053. The reversal of 3021021040 is 401201203.

It is a self number, because there is not a number n which added to its sum of digits gives 3021021040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 946327 + ... + 949513.

Almost surely, 2^3021021040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3021021040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3822864696).

3021021040 is an abundant number, since it is smaller than the sum of its proper divisors (4624708352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3021021040 is a wasteful number, since it uses less digits than its factorization.

3021021040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275 (or 3252 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3021021040 is about 54963.8157336261. The cubic root of 3021021040 is about 1445.6103534599.

Adding to 3021021040 its reverse (401201203), we get a palindrome (3422222243).

The spelling of 3021021040 in words is "three billion, twenty-one million, twenty-one thousand, forty".