2044820451 has 32 divisors (see below), whose sum is σ = 3002135040. Its totient is φ = 1232250624.

The previous prime is 2044820443. The next prime is 2044820483. The reversal of 2044820451 is 1540284402.

It is not a de Polignac number, because 2044820451 - 2³ = 2044820443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2044820411) 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, 597421 + ... + 600833.

It is an arithmetic number, because the mean of its divisors is an integer number (93816720).

Almost surely, 2^2044820451 is an apocalyptic number.

2044820451 is a deficient number, since it is larger than the sum of its proper divisors (957314589).

2044820451 is a wasteful number, since it uses less digits than its factorization.

2044820451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915.

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 2044820451 is about 45219.6909653306. The cubic root of 2044820451 is about 1269.2633111524.

The spelling of 2044820451 in words is "two billion, forty-four million, eight hundred twenty thousand, four hundred fifty-one".