442446649088 has 18 divisors (see below), whose sum is σ = 883164991464. Its totient is φ = 221223324416.

The previous prime is 442446649069. The next prime is 442446649121. The reversal of 442446649088 is 880946644244.

It is a happy number.

It is a super-2 number, since 2×442446649088² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 864153356 + ... + 864153867.

It is an arithmetic number, because the mean of its divisors is an integer number (49064721748).

Almost surely, 2^442446649088 is an apocalyptic number.

It is an amenable number.

442446649088 is a deficient number, since it is larger than the sum of its proper divisors (440718342376).

442446649088 is an equidigital number, since it uses as much as digits as its factorization.

442446649088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728307239 (or 1728307225 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 59.

The spelling of 442446649088 in words is "four hundred forty-two billion, four hundred forty-six million, six hundred forty-nine thousand, eighty-eight".