2045044287 has 64 divisors (see below), whose sum is σ = 3714278400. Its totient is φ = 1094290560.

The previous prime is 2045044277. The next prime is 2045044321. The reversal of 2045044287 is 7824405402.

2045044287 is a `hidden beast` number, since 204 + 5 + 0 + 442 + 8 + 7 = 666.

It is not a de Polignac number, because 2045044287 - 2⁷ = 2045044159 is a prime.

It is a super-2 number, since 2×2045044287² = 8364412271582676738, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045044217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77289 + ... + 100317.

It is an arithmetic number, because the mean of its divisors is an integer number (58035600).

Almost surely, 2^2045044287 is an apocalyptic number.

2045044287 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2045044287 is a deficient number, since it is larger than the sum of its proper divisors (1669234113).

2045044287 is a wasteful number, since it uses less digits than its factorization.

2045044287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23085 (or 23079 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 2045044287 is about 45222.1658813463. The cubic root of 2045044287 is about 1269.3096227094.

Adding to 2045044287 its reverse (7824405402), we get a palindrome (9869449689).

The spelling of 2045044287 in words is "two billion, forty-five million, forty-four thousand, two hundred eighty-seven".