446495220062640 has 800 divisors, whose sum is σ = 1776787872583680. Its totient is φ = 101796607346688.

The previous prime is 446495220062611. The next prime is 446495220062651. The reversal of 446495220062640 is 46260022594644.

446495220062640 is a `hidden beast` number, since 4 + 4 + 6 + 4 + 9 + 5 + 2 + 2 + 0 + 0 + 626 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 76415403559 + ... + 76415409401.

Almost surely, 2^{446495220062640} is an apocalyptic number.

446495220062640 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 446495220062640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888393936291840).

446495220062640 is an abundant number, since it is smaller than the sum of its proper divisors (1330292652521040).

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

446495220062640 is a wasteful number, since it uses less digits than its factorization.

446495220062640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9871 (or 9856 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 54.

The spelling of 446495220062640 in words is "four hundred forty-six trillion, four hundred ninety-five billion, two hundred twenty million, sixty-two thousand, six hundred forty".