361877140 has 48 divisors (see below), whose sum is σ = 769063680. Its totient is φ = 143026560.

The previous prime is 361877137. The next prime is 361877161. The reversal of 361877140 is 41778163.

361877140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 361877140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969994 + ... + 970366.

It is an arithmetic number, because the mean of its divisors is an integer number (16022160).

Almost surely, 2^361877140 is an apocalyptic number.

It is an amenable number.

361877140 is an abundant number, since it is smaller than the sum of its proper divisors (407186540).

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

361877140 is a wasteful number, since it uses less digits than its factorization.

361877140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 361877140 is about 19023.0686273272. The cubic root of 361877140 is about 712.6129600323.

The spelling of 361877140 in words is "three hundred sixty-one million, eight hundred seventy-seven thousand, one hundred forty".