2578963290 has 64 divisors (see below), whose sum is σ = 6579930240. Its totient is φ = 645062400.

The previous prime is 2578963259. The next prime is 2578963319. The reversal of 2578963290 is 923698752.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35172 + ... + 79968.

It is an arithmetic number, because the mean of its divisors is an integer number (102811410).

Almost surely, 2^2578963290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2578963290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3289965120).

2578963290 is an abundant number, since it is smaller than the sum of its proper divisors (4000966950).

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

2578963290 is a wasteful number, since it uses less digits than its factorization.

2578963290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44927.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 2578963290 is about 50783.4942673306. The cubic root of 2578963290 is about 1371.3502396511.

The spelling of 2578963290 in words is "two billion, five hundred seventy-eight million, nine hundred sixty-three thousand, two hundred ninety".