6624424442 has 64 divisors (see below), whose sum is σ = 11747462400. Its totient is φ = 2778209280.

The previous prime is 6624424439. The next prime is 6624424481. The reversal of 6624424442 is 2444244266.

It is a super-2 number, since 2×6624424442² = 87765998375534022728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 6624424396 and 6624424405.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 902684 + ... + 909992.

It is an arithmetic number, because the mean of its divisors is an integer number (183554100).

Almost surely, 2^6624424442 is an apocalyptic number.

6624424442 is a deficient number, since it is larger than the sum of its proper divisors (5123037958).

6624424442 is a wasteful number, since it uses less digits than its factorization.

6624424442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431.

The product of its digits is 294912, while the sum is 38.

The square root of 6624424442 is about 81390.5672790158. The cubic root of 6624424442 is about 1878.0884865966.

The spelling of 6624424442 in words is "six billion, six hundred twenty-four million, four hundred twenty-four thousand, four hundred forty-two".