2287842396840 has 2304 divisors, whose sum is σ = 11112854538240. Its totient is φ = 399458304000.

The previous prime is 2287842396839. The next prime is 2287842396863. The reversal of 2287842396840 is 486932487822.

2287842396840 is a `hidden beast` number, since 2 + 2 + 87 + 8 + 423 + 96 + 8 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 1329367180 + ... + 1329368900.

It is an arithmetic number, because the mean of its divisors is an integer number (4823287560).

Almost surely, 2^{2287842396840} is an apocalyptic number.

2287842396840 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 2287842396840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5556427269120).

2287842396840 is an abundant number, since it is smaller than the sum of its proper divisors (8825012141400).

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

2287842396840 is a wasteful number, since it uses less digits than its factorization.

2287842396840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824 (or 1810 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 63.

The spelling of 2287842396840 in words is "two trillion, two hundred eighty-seven billion, eight hundred forty-two million, three hundred ninety-six thousand, eight hundred forty".