1477554489664 has 112 divisors (see below), whose sum is σ = 3342981660480. Its totient is φ = 641770536960.

The previous prime is 1477554489617. The next prime is 1477554489679. The reversal of 1477554489664 is 4669844557741.

It is a junction number, because it is equal to n+sod(n) for n = 1477554489593 and 1477554489602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1607299 + ... + 2353405.

It is an arithmetic number, because the mean of its divisors is an integer number (29848050540).

Almost surely, 2^{1477554489664} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1477554489664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1671490830240).

1477554489664 is an abundant number, since it is smaller than the sum of its proper divisors (1865427170816).

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

1477554489664 is a wasteful number, since it uses less digits than its factorization.

1477554489664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746256 (or 746246 counting only the distinct ones).

The product of its digits is 812851200, while the sum is 70.

The spelling of 1477554489664 in words is "one trillion, four hundred seventy-seven billion, five hundred fifty-four million, four hundred eighty-nine thousand, six hundred sixty-four".