555784191140 has 12 divisors (see below), whose sum is σ = 1167146801436. Its totient is φ = 222313676448.

The previous prime is 555784191101. The next prime is 555784191187. The reversal of 555784191140 is 41191487555.

It can be written as a sum of positive squares in 2 ways, for example, as 170818543204 + 384965647936 = 413302^2 + 620456^2 .

It is a super-2 number, since 2×555784191140² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13894604759 + ... + 13894604798.

It is an arithmetic number, because the mean of its divisors is an integer number (97262233453).

Almost surely, 2^555784191140 is an apocalyptic number.

It is an amenable number.

555784191140 is an abundant number, since it is smaller than the sum of its proper divisors (611362610296).

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

555784191140 is a wasteful number, since it uses less digits than its factorization.

555784191140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27789209566 (or 27789209564 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 50.

The spelling of 555784191140 in words is "five hundred fifty-five billion, seven hundred eighty-four million, one hundred ninety-one thousand, one hundred forty".