445505303512240 has 160 divisors (see below), whose sum is σ = 1095715380191616. Its totient is φ = 168107733319680.

The previous prime is 445505303512229. The next prime is 445505303512253. The reversal of 445505303512240 is 42215303505544.

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, 2113688460 + ... + 2113899220.

Almost surely, 2^{445505303512240} is an apocalyptic number.

445505303512240 is a gapful number since it is divisible by the number (40) 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 445505303512240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547857690095808).

445505303512240 is an abundant number, since it is smaller than the sum of its proper divisors (650210076679376).

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

445505303512240 is a wasteful number, since it uses less digits than its factorization.

445505303512240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226607 (or 226601 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 445505303512240 in words is "four hundred forty-five trillion, five hundred five billion, three hundred three million, five hundred twelve thousand, two hundred forty".