144626640421200 has 120 divisors (see below), whose sum is σ = 529471243629888. Its totient is φ = 33057517808640.

The previous prime is 144626640421181. The next prime is 144626640421213. The reversal of 144626640421200 is 2124046626441.

It is a tau number, because it is divible by the number of its divisors (120).

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 23 ways as a sum of consecutive naturals, for example, 8608720197 + ... + 8608736996.

Almost surely, 2^{144626640421200} is an apocalyptic number.

144626640421200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144626640421200 is an abundant number, since it is smaller than the sum of its proper divisors (384844603208688).

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

144626640421200 is a wasteful number, since it uses less digits than its factorization.

144626640421200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17217457221 (or 17217457210 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 144626640421200 in words is "one hundred forty-four trillion, six hundred twenty-six billion, six hundred forty million, four hundred twenty-one thousand, two hundred".