1421414144 has 36 divisors (see below), whose sum is σ = 2849172480. Its totient is φ = 707727360.

The previous prime is 1421414039. The next prime is 1421414147. The reversal of 1421414144 is 4414141241.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421414147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50177 + ... + 73215.

It is an arithmetic number, because the mean of its divisors is an integer number (79143680).

Almost surely, 2^1421414144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421414144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424586240).

1421414144 is an abundant number, since it is smaller than the sum of its proper divisors (1427758336).

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

1421414144 is an equidigital number, since it uses as much as digits as its factorization.

1421414144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23296 (or 23282 counting only the distinct ones).

The product of its digits is 2048, while the sum is 26.

The square root of 1421414144 is about 37701.6464361969. The cubic root of 1421414144 is about 1124.3638593526.

Adding to 1421414144 its reverse (4414141241), we get a palindrome (5835555385).

The spelling of 1421414144 in words is "one billion, four hundred twenty-one million, four hundred fourteen thousand, one hundred forty-four".