1424641243444 has 72 divisors (see below), whose sum is σ = 2807205225440. Its totient is φ = 630477473472.

The previous prime is 1424641243397. The next prime is 1424641243453. The reversal of 1424641243444 is 4443421464241.

It is a happy number.

It is a super-2 number, since 2×1424641243444² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 1424641243444.

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, 1316734 + ... + 2140810.

Almost surely, 2^{1424641243444} is an apocalyptic number.

It is an amenable number.

1424641243444 is a deficient number, since it is larger than the sum of its proper divisors (1382563981996).

1424641243444 is a wasteful number, since it uses less digits than its factorization.

1424641243444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824189 (or 824164 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 43.

The spelling of 1424641243444 in words is "one trillion, four hundred twenty-four billion, six hundred forty-one million, two hundred forty-three thousand, four hundred forty-four".