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1440142000000 = 2756113541
BaseRepresentation
bin10100111101001111001…
…001101111111110000000
312002200020222020200100121
4110331033021233332000
5142043402323000000
63021331521030024
7206022030011014
oct24751711577600
95080228220317
101440142000000
11505840684000
121b3138785314
13a5a60216bb2
144d9bb9bc544
15276dc345b1a
hex14f4f26ff80

1440142000000 has 448 divisors, whose sum is σ = 3951891602640. Its totient is φ = 522720000000.

The previous prime is 1440141999977. The next prime is 1440142000001. The reversal of 1440142000000 is 2410441.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440142000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2661999730 + ... + 2662000270.

Almost surely, 21440142000000 is an apocalyptic number.

1440142000000 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 1440142000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1975945801320).

1440142000000 is an abundant number, since it is smaller than the sum of its proper divisors (2511749602640).

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

1440142000000 is an frugal number, since it uses more digits than its factorization.

1440142000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1440142000000 its reverse (2410441), we get a palindrome (1440144410441).

The spelling of 1440142000000 in words is "one trillion, four hundred forty billion, one hundred forty-two million", and thus it is an aban number.