6402422620 has 48 divisors (see below), whose sum is σ = 14755281408. Its totient is φ = 2314199360.

The previous prime is 6402422617. The next prime is 6402422633. The reversal of 6402422620 is 262242046.

It is a congruent number.

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, 50392 + ... + 123871.

It is an arithmetic number, because the mean of its divisors is an integer number (307401696).

Almost surely, 2^6402422620 is an apocalyptic number.

It is an amenable number.

6402422620 is an abundant number, since it is smaller than the sum of its proper divisors (8352858788).

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

6402422620 is a wasteful number, since it uses less digits than its factorization.

6402422620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174450 (or 174448 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 6402422620 is about 80015.1399423884. The cubic root of 6402422620 is about 1856.8697706824.

Adding to 6402422620 its reverse (262242046), we get a palindrome (6664664666).

The spelling of 6402422620 in words is "six billion, four hundred two million, four hundred twenty-two thousand, six hundred twenty".