3021863040 has 384 divisors, whose sum is σ = 12029472000. Its totient is φ = 684711936.

The previous prime is 3021863029. The next prime is 3021863051. The reversal of 3021863040 is 403681203.

It is a happy number.

3021863040 is a `hidden beast` number, since 3 + 0 + 21 + 8 + 630 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (3021863029) and next prime (3021863051).

It is a tau number, because it is divible by the number of its divisors (384).

It is a junction number, because it is equal to n+sod(n) for n = 3021862995 and 3021863013.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6007429 + ... + 6007931.

It is an arithmetic number, because the mean of its divisors is an integer number (31326750).

Almost surely, 2^3021863040 is an apocalyptic number.

3021863040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3021863040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6014736000).

3021863040 is an abundant number, since it is smaller than the sum of its proper divisors (9007608960).

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

3021863040 is a wasteful number, since it uses less digits than its factorization.

3021863040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 3021863040 is about 54971.4747846554. The cubic root of 3021863040 is about 1445.7446447955.

The spelling of 3021863040 in words is "three billion, twenty-one million, eight hundred sixty-three thousand, forty".