190761044644 has 9 divisors (see below), whose sum is σ = 333833356801. Its totient is φ = 95380085560.

The previous prime is 190761044531. The next prime is 190761044651. The reversal of 190761044644 is 446440167091.

The square root of 190761044644 is 436762.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 186504787044 + 4256257600 = 431862^2 + 65240^2 .

It is a super-2 number, since 2×190761044644² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190761044594 and 190761044603.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 764334 + ... + 982714.

Almost surely, 2^190761044644 is an apocalyptic number.

190761044644 is the 436762-nd square number.

It is an amenable number.

190761044644 is a deficient number, since it is larger than the sum of its proper divisors (143072312157).

190761044644 is an frugal number, since it uses more digits than its factorization.

190761044644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436766 (or 218383 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 190761044644 in words is "one hundred ninety billion, seven hundred sixty-one million, forty-four thousand, six hundred forty-four".