1144312220408 has 32 divisors (see below), whose sum is σ = 2492295944160. Its totient is φ = 482379857280.

The previous prime is 1144312220369. The next prime is 1144312220413. The reversal of 1144312220408 is 8040222134411.

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, 167489591 + ... + 167496422.

It is an arithmetic number, because the mean of its divisors is an integer number (77884248255).

Almost surely, 2^{1144312220408} is an apocalyptic number.

It is an amenable number.

1144312220408 is an abundant number, since it is smaller than the sum of its proper divisors (1347983723752).

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

1144312220408 is a wasteful number, since it uses less digits than its factorization.

1144312220408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334986087 (or 334986083 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

Adding to 1144312220408 its reverse (8040222134411), we get a palindrome (9184534354819).

The spelling of 1144312220408 in words is "one trillion, one hundred forty-four billion, three hundred twelve million, two hundred twenty thousand, four hundred eight".