454220044520000 has 560 divisors, whose sum is σ = 1239983116037952. Its totient is φ = 163661783040000.

The previous prime is 454220044519993. The next prime is 454220044520023. The reversal of 454220044520000 is 25440022454.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 24169630604 + ... + 24169649396.

Almost surely, 2^{454220044520000} is an apocalyptic number.

454220044520000 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 454220044520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619991558018976).

454220044520000 is an abundant number, since it is smaller than the sum of its proper divisors (785763071517952).

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

454220044520000 is a wasteful number, since it uses less digits than its factorization.

454220044520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19336 (or 19311 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

Adding to 454220044520000 its reverse (25440022454), we get a palindrome (454245484542454).

The spelling of 454220044520000 in words is "four hundred fifty-four trillion, two hundred twenty billion, forty-four million, five hundred twenty thousand".