1407660722144 has 12 divisors (see below), whose sum is σ = 2771332046784. Its totient is φ = 703830361056.

The previous prime is 1407660722123. The next prime is 1407660722219. The reversal of 1407660722144 is 4412270667041.

It is a junction number, because it is equal to n+sod(n) for n = 1407660722095 and 1407660722104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21994698752 + ... + 21994698815.

It is an arithmetic number, because the mean of its divisors is an integer number (230944337232).

Almost surely, 2^{1407660722144} is an apocalyptic number.

It is an amenable number.

1407660722144 is a deficient number, since it is larger than the sum of its proper divisors (1363671324640).

1407660722144 is an equidigital number, since it uses as much as digits as its factorization.

1407660722144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43989397577 (or 43989397569 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 1407660722144 in words is "one trillion, four hundred seven billion, six hundred sixty million, seven hundred twenty-two thousand, one hundred forty-four".