445454400000 has 960 divisors, whose sum is σ = 1615725086976. Its totient is φ = 108625920000.

The previous prime is 445454399981. The next prime is 445454400031. The reversal of 445454400000 is 4454544.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (960).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 95 ways as a sum of consecutive naturals, for example, 4324799949 + ... + 4324800051.

Almost surely, 2^445454400000 is an apocalyptic number.

445454400000 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 445454400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807862543488).

445454400000 is an abundant number, since it is smaller than the sum of its proper divisors (1170270686976).

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

445454400000 is an equidigital number, since it uses as much as digits as its factorization.

445454400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 445454400000 its reverse (4454544), we get a palindrome (445458854544).

445454400000 divided by its reverse (4454544) gives a 5-th power (100000 = 10⁵).

The spelling of 445454400000 in words is "four hundred forty-five billion, four hundred fifty-four million, four hundred thousand".