2858790540 has 96 divisors (see below), whose sum is σ = 8450104320. Its totient is φ = 720147456.

The previous prime is 2858790511. The next prime is 2858790547. The reversal of 2858790540 is 450978582.

2858790540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2858790540.

It is not an unprimeable number, because it can be changed into a prime (2858790547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 414964 + ... + 421796.

It is an arithmetic number, because the mean of its divisors is an integer number (88021920).

Almost surely, 2^2858790540 is an apocalyptic number.

2858790540 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 2858790540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4225052160).

2858790540 is an abundant number, since it is smaller than the sum of its proper divisors (5591313780).

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

2858790540 is a wasteful number, since it uses less digits than its factorization.

2858790540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231 (or 7229 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 2858790540 is about 53467.6588228810. The cubic root of 2858790540 is about 1419.2561302608.

The spelling of 2858790540 in words is "two billion, eight hundred fifty-eight million, seven hundred ninety thousand, five hundred forty".