445515315480 has 112 divisors (see below), whose sum is σ = 1502926764480. Its totient is φ = 118804076352.

The previous prime is 445515315473. The next prime is 445515315493. The reversal of 445515315480 is 84513515544.

445515315480 is a `hidden beast` number, since 4 + 4 + 5 + 5 + 153 + 15 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 7609992 + ... + 7668311.

Almost surely, 2^445515315480 is an apocalyptic number.

445515315480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445515315480 is an abundant number, since it is smaller than the sum of its proper divisors (1057411449000).

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

445515315480 is a wasteful number, since it uses less digits than its factorization.

445515315480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15278332 (or 15278313 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 45.

The spelling of 445515315480 in words is "four hundred forty-five billion, five hundred fifteen million, three hundred fifteen thousand, four hundred eighty".