2870780444 has 18 divisors (see below), whose sum is σ = 5844089160. Its totient is φ = 1230334392.

The previous prime is 2870780387. The next prime is 2870780449. The reversal of 2870780444 is 4440870782.

It is a junction number, because it is equal to n+sod(n) for n = 2870780395 and 2870780404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2870780449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7323224 + ... + 7323615.

It is an arithmetic number, because the mean of its divisors is an integer number (324671620).

Almost surely, 2^2870780444 is an apocalyptic number.

It is an amenable number.

2870780444 is an abundant number, since it is smaller than the sum of its proper divisors (2973308716).

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

2870780444 is a wasteful number, since it uses less digits than its factorization.

2870780444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14646857 (or 14646848 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 44.

The square root of 2870780444 is about 53579.6644633017. The cubic root of 2870780444 is about 1421.2375054976.

The spelling of 2870780444 in words is "two billion, eight hundred seventy million, seven hundred eighty thousand, four hundred forty-four".