2865126902880 has 1152 divisors, whose sum is σ = 11094784856064. Its totient is φ = 615156940800.

The previous prime is 2865126902873. The next prime is 2865126902903. The reversal of 2865126902880 is 882096215682.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2865126902880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1750229422 + ... + 1750231058.

It is an arithmetic number, because the mean of its divisors is an integer number (9630889632).

Almost surely, 2^{2865126902880} is an apocalyptic number.

2865126902880 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 2865126902880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5547392428032).

2865126902880 is an abundant number, since it is smaller than the sum of its proper divisors (8229657953184).

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

2865126902880 is a wasteful number, since it uses less digits than its factorization.

2865126902880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768 (or 1743 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 57.

The spelling of 2865126902880 in words is "two trillion, eight hundred sixty-five billion, one hundred twenty-six million, nine hundred two thousand, eight hundred eighty".