445517893416 has 64 divisors (see below), whose sum is σ = 1168061184000. Its totient is φ = 141335333568.

The previous prime is 445517893253. The next prime is 445517893451. The reversal of 445517893416 is 614398715544.

It is a super-2 number, since 2×445517893416² (a number of 24 digits) contains 22 as substring.

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, 1918036 + ... + 2137731.

It is an arithmetic number, because the mean of its divisors is an integer number (18250956000).

Almost surely, 2^445517893416 is an apocalyptic number.

445517893416 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

445517893416 is an abundant number, since it is smaller than the sum of its proper divisors (722543290584).

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

445517893416 is a wasteful number, since it uses less digits than its factorization.

445517893416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055998 (or 4055994 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 57.

The spelling of 445517893416 in words is "four hundred forty-five billion, five hundred seventeen million, eight hundred ninety-three thousand, four hundred sixteen".