144321885650240 has 56 divisors (see below), whose sum is σ = 355517058855240. Its totient is φ = 55738107557888.

The previous prime is 144321885650233. The next prime is 144321885650273. The reversal of 144321885650240 is 42056588123441.

It can be written as a sum of positive squares in 4 ways, for example, as 20457094794304 + 123864790855936 = 4522952^2 + 11129456^2 .

It is a super-2 number, since 2×144321885650240² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7775954387 + ... + 7775972946.

Almost surely, 2^{144321885650240} is an apocalyptic number.

144321885650240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144321885650240 is an abundant number, since it is smaller than the sum of its proper divisors (211195173205000).

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

144321885650240 is a wasteful number, since it uses less digits than its factorization.

144321885650240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15551927379 (or 15551927369 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 53.

The spelling of 144321885650240 in words is "one hundred forty-four trillion, three hundred twenty-one billion, eight hundred eighty-five million, six hundred fifty thousand, two hundred forty".