1224677111440 has 40 divisors (see below), whose sum is σ = 2869109990208. Its totient is φ = 486131368320.

The previous prime is 1224677111423. The next prime is 1224677111453. The reversal of 1224677111440 is 441117764221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1224677111393 and 1224677111402.

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, 58418772 + ... + 58439731.

Almost surely, 2^{1224677111440} is an apocalyptic number.

1224677111440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224677111440 is an abundant number, since it is smaller than the sum of its proper divisors (1644432878768).

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

1224677111440 is a wasteful number, since it uses less digits than its factorization.

1224677111440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116858647 (or 116858641 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 1224677111440 in words is "one trillion, two hundred twenty-four billion, six hundred seventy-seven million, one hundred eleven thousand, four hundred forty".