445711488 has 128 divisors (see below), whose sum is σ = 1222041600. Its totient is φ = 143877120.

The previous prime is 445711417. The next prime is 445711507. The reversal of 445711488 is 884117544.

It is a tau number, because it is divible by the number of its divisors (128).

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, 2333473 + ... + 2333663.

It is an arithmetic number, because the mean of its divisors is an integer number (9547200).

Almost surely, 2^445711488 is an apocalyptic number.

445711488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445711488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611020800).

445711488 is an abundant number, since it is smaller than the sum of its proper divisors (776330112).

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

445711488 is a wasteful number, since it uses less digits than its factorization.

445711488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 358 counting only the distinct ones).

The product of its digits is 143360, while the sum is 42.

The square root of 445711488 is about 21111.8802573338. The cubic root of 445711488 is about 763.8673417140.

The spelling of 445711488 in words is "four hundred forty-five million, seven hundred eleven thousand, four hundred eighty-eight".