2002545784 has 24 divisors (see below), whose sum is σ = 3919212360. Its totient is φ = 957448976.

The previous prime is 2002545763. The next prime is 2002545817. The reversal of 2002545784 is 4875452002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 605367 + ... + 608665.

It is an arithmetic number, because the mean of its divisors is an integer number (163300515).

Almost surely, 2^2002545784 is an apocalyptic number.

It is an amenable number.

2002545784 is a deficient number, since it is larger than the sum of its proper divisors (1916666576).

2002545784 is an frugal number, since it uses more digits than its factorization.

2002545784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6627 (or 3324 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 2002545784 is about 44749.8132286605. The cubic root of 2002545784 is about 1260.4554043755.

Adding to 2002545784 its reverse (4875452002), we get a palindrome (6877997786).

The spelling of 2002545784 in words is "two billion, two million, five hundred forty-five thousand, seven hundred eighty-four".