1912730544 has 40 divisors (see below), whose sum is σ = 5490246320. Its totient is φ = 637576704.

The previous prime is 1912730527. The next prime is 1912730581. The reversal of 1912730544 is 4450372191.

1912730544 is a `hidden beast` number, since 1 + 91 + 27 + 3 + 0 + 544 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1912730499 and 1912730508.

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, 2213377 + ... + 2214240.

It is an arithmetic number, because the mean of its divisors is an integer number (137256158).

Almost surely, 2^1912730544 is an apocalyptic number.

It is an amenable number.

1912730544 is an abundant number, since it is smaller than the sum of its proper divisors (3577515776).

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

1912730544 is a wasteful number, since it uses less digits than its factorization.

1912730544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427634 (or 4427622 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1912730544 is about 43734.7749965631. The cubic root of 1912730544 is about 1241.3224150667.

The spelling of 1912730544 in words is "one billion, nine hundred twelve million, seven hundred thirty thousand, five hundred forty-four".