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1440102230300 = 2252172371399689
BaseRepresentation
bin10100111101001100110…
…010000010100100011100
312002200011012102011120202
4110331030302002210130
5142043312132332200
63021323540403032
7206021034662246
oct24751462024434
95080135364522
101440102230300
11505820190488
121b31273a6478
13a5a54c01126
144d9b65c9096
15276d8adc1d5
hex14f4cc8291c

1440102230300 has 216 divisors, whose sum is σ = 3434262745200. Its totient is φ = 523654225920.

The previous prime is 1440102230299. The next prime is 1440102230309. The reversal of 1440102230300 is 30322010441.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440102230309) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 148627856 + ... + 148637544.

Almost surely, 21440102230300 is an apocalyptic number.

1440102230300 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 1440102230300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717131372600).

1440102230300 is an abundant number, since it is smaller than the sum of its proper divisors (1994160514900).

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

1440102230300 is a wasteful number, since it uses less digits than its factorization.

1440102230300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9913 (or 9889 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1440102230300 its reverse (30322010441), we get a palindrome (1470424240741).

The spelling of 1440102230300 in words is "one trillion, four hundred forty billion, one hundred two million, two hundred thirty thousand, three hundred".