2865419000 has 64 divisors (see below), whose sum is σ = 6750432000. Its totient is φ = 1138416000.

The previous prime is 2865418987. The next prime is 2865419023. The reversal of 2865419000 is 9145682.

It is a super-2 number, since 2×2865419000² = 16421252091122000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139385 + ... + 158615.

It is an arithmetic number, because the mean of its divisors is an integer number (105475500).

Almost surely, 2^2865419000 is an apocalyptic number.

2865419000 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 2865419000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3375216000).

2865419000 is an abundant number, since it is smaller than the sum of its proper divisors (3885013000).

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

2865419000 is a wasteful number, since it uses less digits than its factorization.

2865419000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19401 (or 19387 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 2865419000 is about 53529.6086292437. The cubic root of 2865419000 is about 1420.3521906291.

The spelling of 2865419000 in words is "two billion, eight hundred sixty-five million, four hundred nineteen thousand".