30454562643880 has 64 divisors (see below), whose sum is σ = 68679489972240. Its totient is φ = 12153968289792.

The previous prime is 30454562643779. The next prime is 30454562643899. The reversal of 30454562643880 is 8834626545403.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 15650521493476 + 14804041150404 = 3956074^2 + 3847602^2 .

It is a super-2 number, since 2×30454562643880² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198023494 + ... + 198177226.

Almost surely, 2^{30454562643880} is an apocalyptic number.

It is an amenable number.

30454562643880 is an abundant number, since it is smaller than the sum of its proper divisors (38224927328360).

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

30454562643880 is a wasteful number, since it uses less digits than its factorization.

30454562643880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165038 (or 165034 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 58.

The spelling of 30454562643880 in words is "thirty trillion, four hundred fifty-four billion, five hundred sixty-two million, six hundred forty-three thousand, eight hundred eighty".