1494284144220 has 288 divisors, whose sum is σ = 5292613872000. Its totient is φ = 341117070336.

The previous prime is 1494284144201. The next prime is 1494284144273. The reversal of 1494284144220 is 224414824941.

It is a happy number.

1494284144220 is a `hidden beast` number, since 1 + 4 + 9 + 4 + 2 + 8 + 414 + 4 + 220 = 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 polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49932702 + ... + 49962618.

It is an arithmetic number, because the mean of its divisors is an integer number (18377131500).

Almost surely, 2^{1494284144220} is an apocalyptic number.

1494284144220 is a gapful number since it is divisible by the number (10) 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 1494284144220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2646306936000).

1494284144220 is an abundant number, since it is smaller than the sum of its proper divisors (3798329727780).

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

1494284144220 is a wasteful number, since it uses less digits than its factorization.

1494284144220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30762 (or 30743 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 1494284144220 in words is "one trillion, four hundred ninety-four billion, two hundred eighty-four million, one hundred forty-four thousand, two hundred twenty".