2805294492 has 432 divisors, whose sum is σ = 10044521760. Its totient is φ = 670602240.

The previous prime is 2805294473. The next prime is 2805294511. The reversal of 2805294492 is 2944925082.

2805294492 is a `hidden beast` number, since 2 + 80 + 529 + 4 + 49 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (2805294473) and next prime (2805294511).

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 143 ways as a sum of consecutive naturals, for example, 8324148 + ... + 8324484.

Almost surely, 2^2805294492 is an apocalyptic number.

2805294492 is a gapful number since it is divisible by the number (22) 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 2805294492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5022260880).

2805294492 is an abundant number, since it is smaller than the sum of its proper divisors (7239227268).

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

2805294492 is a wasteful number, since it uses less digits than its factorization.

2805294492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2805294492 is about 52965.0308411125. The cubic root of 2805294492 is about 1410.3475648389.

The spelling of 2805294492 in words is "two billion, eight hundred five million, two hundred ninety-four thousand, four hundred ninety-two".