2864720144 has 40 divisors (see below), whose sum is σ = 6520749312. Its totient is φ = 1201979520.

The previous prime is 2864720107. The next prime is 2864720149. The reversal of 2864720144 is 4410274682.

It is a junction number, because it is equal to n+sod(n) for n = 2864720098 and 2864720107.

It is not an unprimeable number, because it can be changed into a prime (2864720149) 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, 623744 + ... + 628319.

Almost surely, 2^2864720144 is an apocalyptic number.

It is an amenable number.

2864720144 is an abundant number, since it is smaller than the sum of its proper divisors (3656029168).

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

2864720144 is a wasteful number, since it uses less digits than its factorization.

2864720144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252095 (or 1252089 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 2864720144 is about 53523.0804793596. The cubic root of 2864720144 is about 1420.2367098612.

The spelling of 2864720144 in words is "two billion, eight hundred sixty-four million, seven hundred twenty thousand, one hundred forty-four".