1002544402 has 16 divisors (see below), whose sum is σ = 1578643200. Its totient is φ = 476878320.

The previous prime is 1002544369. The next prime is 1002544421. The reversal of 1002544402 is 2044452001.

It is a happy number.

1002544402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133377 + ... + 140692.

It is an arithmetic number, because the mean of its divisors is an integer number (98665200).

Almost surely, 2^1002544402 is an apocalyptic number.

1002544402 is a deficient number, since it is larger than the sum of its proper divisors (576098798).

1002544402 is a wasteful number, since it uses less digits than its factorization.

1002544402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274161.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1002544402 is about 31662.9815715450. The cubic root of 1002544402 is about 1000.8474156838.

Adding to 1002544402 its reverse (2044452001), we get a palindrome (3046996403).

The spelling of 1002544402 in words is "one billion, two million, five hundred forty-four thousand, four hundred two".