445641213480 has 64 divisors (see below), whose sum is σ = 1336971735360. Its totient is φ = 118833381888.

The previous prime is 445641213473. The next prime is 445641213481. The reversal of 445641213480 is 84312146544.

It is not an unprimeable number, because it can be changed into a prime (445641213481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4686084 + ... + 4780236.

It is an arithmetic number, because the mean of its divisors is an integer number (20890183365).

Almost surely, 2^445641213480 is an apocalyptic number.

445641213480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445641213480 is an abundant number, since it is smaller than the sum of its proper divisors (891330521880).

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

445641213480 is a wasteful number, since it uses less digits than its factorization.

445641213480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133610 (or 133606 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 445641213480 in words is "four hundred forty-five billion, six hundred forty-one million, two hundred thirteen thousand, four hundred eighty".