6415552442 has 16 divisors (see below), whose sum is σ = 10604600160. Its totient is φ = 2892162672.

The previous prime is 6415552417. The next prime is 6415552457. The reversal of 6415552442 is 2442555146.

It is a junction number, because it is equal to n+sod(n) for n = 6415552396 and 6415552405.

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, 2868092 + ... + 2870327.

It is an arithmetic number, because the mean of its divisors is an integer number (662787510).

Almost surely, 2^6415552442 is an apocalyptic number.

6415552442 is a deficient number, since it is larger than the sum of its proper divisors (4189047718).

6415552442 is a wasteful number, since it uses less digits than its factorization.

6415552442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738477.

The product of its digits is 192000, while the sum is 38.

The square root of 6415552442 is about 80097.1437817854. The cubic root of 6415552442 is about 1858.1382344027.

The spelling of 6415552442 in words is "six billion, four hundred fifteen million, five hundred fifty-two thousand, four hundred forty-two".