6220029640 has 64 divisors (see below), whose sum is σ = 15639765120. Its totient is φ = 2206656000.

The previous prime is 6220029623. The next prime is 6220029659. The reversal of 6220029640 is 469200226.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154356 + ... + 190435.

It is an arithmetic number, because the mean of its divisors is an integer number (244371330).

Almost surely, 2^6220029640 is an apocalyptic number.

It is an amenable number.

6220029640 is an abundant number, since it is smaller than the sum of its proper divisors (9419735480).

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

6220029640 is a wasteful number, since it uses less digits than its factorization.

6220029640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344854 (or 344850 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 6220029640 is about 78867.1645236470. The cubic root of 6220029640 is about 1839.0667171550.

Adding to 6220029640 its reverse (469200226), we get a palindrome (6689229866).

The spelling of 6220029640 in words is "six billion, two hundred twenty million, twenty-nine thousand, six hundred forty".