361089805872 has 40 divisors (see below), whose sum is σ = 987686824176. Its totient is φ = 113283076096.

The previous prime is 361089805861. The next prime is 361089805877. The reversal of 361089805872 is 278508980163.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (361089805877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221255193 + ... + 221256824.

Almost surely, 2^361089805872 is an apocalyptic number.

It is an amenable number.

361089805872 is an abundant number, since it is smaller than the sum of its proper divisors (626597018304).

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

361089805872 is a wasteful number, since it uses less digits than its factorization.

361089805872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442512045 (or 442512039 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 361089805872 in words is "three hundred sixty-one billion, eighty-nine million, eight hundred five thousand, eight hundred seventy-two".