2867994846720 has 640 divisors, whose sum is σ = 10370205014400. Its totient is φ = 751162097664.

The previous prime is 2867994846709. The next prime is 2867994846767. The reversal of 2867994846720 is 276484997682.

2867994846720 is a `hidden beast` number, since 2 + 8 + 6 + 79 + 9 + 484 + 6 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1357308384 + ... + 1357310496.

It is an arithmetic number, because the mean of its divisors is an integer number (16203445335).

Almost surely, 2^{2867994846720} is an apocalyptic number.

2867994846720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2867994846720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5185102507200).

2867994846720 is an abundant number, since it is smaller than the sum of its proper divisors (7502210167680).

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

2867994846720 is a wasteful number, since it uses less digits than its factorization.

2867994846720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487 (or 2465 counting only the distinct ones).

The product of its (nonzero) digits is 585252864, while the sum is 72.

The spelling of 2867994846720 in words is "two trillion, eight hundred sixty-seven billion, nine hundred ninety-four million, eight hundred forty-six thousand, seven hundred twenty".