3021812445460 has 24 divisors (see below), whose sum is σ = 6348873310920. Its totient is φ = 1208140754304.

The previous prime is 3021812445439. The next prime is 3021812445481. The reversal of 3021812445460 is 645442181203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3021812445439) and next prime (3021812445481).

It can be written as a sum of positive squares in 4 ways, for example, as 117767021584 + 2904045423876 = 343172^2 + 1704126^2 .

It is a super-2 number, since 2×3021812445460² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36471579 + ... + 36554338.

It is an arithmetic number, because the mean of its divisors is an integer number (264536387955).

Almost surely, 2^{3021812445460} is an apocalyptic number.

It is an amenable number.

3021812445460 is an abundant number, since it is smaller than the sum of its proper divisors (3327060865460).

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

3021812445460 is a wasteful number, since it uses less digits than its factorization.

3021812445460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73027995 (or 73027993 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 3021812445460 in words is "three trillion, twenty-one billion, eight hundred twelve million, four hundred forty-five thousand, four hundred sixty".