144100402421220 has 288 divisors, whose sum is σ = 526697932750080. Its totient is φ = 31152789734400.

The previous prime is 144100402421219. The next prime is 144100402421231. The reversal of 144100402421220 is 22124204001441.

144100402421220 is a `hidden beast` number, since 1 + 4 + 4 + 10 + 0 + 4 + 0 + 2 + 421 + 220 = 666.

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, 9765570 + ... + 19584870.

Almost surely, 2^{144100402421220} is an apocalyptic number.

144100402421220 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 144100402421220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263348966375040).

144100402421220 is an abundant number, since it is smaller than the sum of its proper divisors (382597530328860).

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

144100402421220 is a wasteful number, since it uses less digits than its factorization.

144100402421220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9819955 (or 9819950 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 144100402421220 its reverse (22124204001441), we get a palindrome (166224606422661).

The spelling of 144100402421220 in words is "one hundred forty-four trillion, one hundred billion, four hundred two million, four hundred twenty-one thousand, two hundred twenty".