361894510872 has 24 divisors (see below), whose sum is σ = 980130967140. Its totient is φ = 120631503600.

The previous prime is 361894510811. The next prime is 361894510889. The reversal of 361894510872 is 278015498163.

361894510872 is a `hidden beast` number, since 3 + 6 + 189 + 451 + 0 + 8 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2513156254 + ... + 2513156397.

It is a 1-persistent number, because it is pandigital, but 2⋅361894510872 = 723789021744 is not.

Almost surely, 2^361894510872 is an apocalyptic number.

It is an amenable number.

361894510872 is an abundant number, since it is smaller than the sum of its proper divisors (618236456268).

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

361894510872 is a wasteful number, since it uses less digits than its factorization.

361894510872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026312663 (or 5026312656 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 361894510872 in words is "three hundred sixty-one billion, eight hundred ninety-four million, five hundred ten thousand, eight hundred seventy-two".