2578150140 has 96 divisors (see below), whose sum is σ = 7512341760. Its totient is φ = 660097536.

The previous prime is 2578150117. The next prime is 2578150207. The reversal of 2578150140 is 410518752.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143752 + ... + 160688.

It is an arithmetic number, because the mean of its divisors is an integer number (78253560).

Almost surely, 2^2578150140 is an apocalyptic number.

2578150140 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 2578150140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3756170880).

2578150140 is an abundant number, since it is smaller than the sum of its proper divisors (4934191620).

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

2578150140 is a wasteful number, since it uses less digits than its factorization.

2578150140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17051 (or 17049 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 2578150140 is about 50775.4875899779. The cubic root of 2578150140 is about 1371.2060950807.

Adding to 2578150140 its reverse (410518752), we get a palindrome (2988668892).

The spelling of 2578150140 in words is "two billion, five hundred seventy-eight million, one hundred fifty thousand, one hundred forty".