1421544284160 has 2016 divisors, whose sum is σ = 6299728515072. Its totient is φ = 270516879360.

The previous prime is 1421544284141. The next prime is 1421544284179. The reversal of 1421544284160 is 614824451241.

It is an interprime number because it is at equal distance from previous prime (1421544284141) and next prime (1421544284179).

It is a super-3 number, since 3×1421544284160³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11193262017 + ... + 11193262143.

Almost surely, 2^{1421544284160} is an apocalyptic number.

1421544284160 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 1421544284160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3149864257536).

1421544284160 is an abundant number, since it is smaller than the sum of its proper divisors (4878184230912).

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

1421544284160 is a wasteful number, since it uses less digits than its factorization.

1421544284160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 42.

The spelling of 1421544284160 in words is "one trillion, four hundred twenty-one billion, five hundred forty-four million, two hundred eighty-four thousand, one hundred sixty".