2045654250 has 96 divisors (see below), whose sum is σ = 5209468992. Its totient is φ = 534664000.

The previous prime is 2045654249. The next prime is 2045654279. The reversal of 2045654250 is 524565402.

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 47 ways as a sum of consecutive naturals, for example, 2106265 + ... + 2107235.

It is an arithmetic number, because the mean of its divisors is an integer number (54265302).

Almost surely, 2^2045654250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045654250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2604734496).

2045654250 is an abundant number, since it is smaller than the sum of its proper divisors (3163814742).

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

2045654250 is an equidigital number, since it uses as much as digits as its factorization.

2045654250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 2045654250 is about 45228.9094495987. The cubic root of 2045654250 is about 1269.4358066015.

The spelling of 2045654250 in words is "two billion, forty-five million, six hundred fifty-four thousand, two hundred fifty".