144403140400 has 60 divisors (see below), whose sum is σ = 348726288472. Its totient is φ = 57461944320.

The previous prime is 144403140397. The next prime is 144403140439. The reversal of 144403140400 is 4041304441.

It is a happy number.

It is a super-3 number, since 3×144403140400³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 858054 + ... + 1012453.

Almost surely, 2^144403140400 is an apocalyptic number.

144403140400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144403140400 is an abundant number, since it is smaller than the sum of its proper divisors (204323148072).

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

144403140400 is a wasteful number, since it uses less digits than its factorization.

144403140400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870718 (or 1870707 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 144403140400 its reverse (4041304441), we get a palindrome (148444444841).

The spelling of 144403140400 in words is "one hundred forty-four billion, four hundred three million, one hundred forty thousand, four hundred".