6644234502 has 12 divisors (see below), whose sum is σ = 14395841460. Its totient is φ = 2214744828.

The previous prime is 6644234461. The next prime is 6644234521. The reversal of 6644234502 is 2054324466.

6644234502 is a `hidden beast` number, since 6 + 644 + 2 + 3 + 4 + 5 + 0 + 2 = 666.

It is a super-4 number, since 4×6644234502⁴ (a number of 40 digits) contains 4444 as substring.

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, 184562052 + ... + 184562087.

It is an arithmetic number, because the mean of its divisors is an integer number (1199653455).

Almost surely, 2^6644234502 is an apocalyptic number.

6644234502 is an abundant number, since it is smaller than the sum of its proper divisors (7751606958).

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

6644234502 is a wasteful number, since it uses less digits than its factorization.

6644234502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369124147 (or 369124144 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 6644234502 is about 81512.1739496623. The cubic root of 6644234502 is about 1879.9587381543.

Adding to 6644234502 its reverse (2054324466), we get a palindrome (8698558968).

The spelling of 6644234502 in words is "six billion, six hundred forty-four million, two hundred thirty-four thousand, five hundred two".