1478149171200 has 2592 divisors, whose sum is σ = 6426605858400. Its totient is φ = 335385722880.

The previous prime is 1478149171193. The next prime is 1478149171211. The reversal of 1478149171200 is 21719418741.

1478149171200 is a `hidden beast` number, since 1 + 4 + 78 + 1 + 491 + 71 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2592).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 215 ways as a sum of consecutive naturals, for example, 39949977582 + ... + 39949977618.

Almost surely, 2^{1478149171200} is an apocalyptic number.

1478149171200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1478149171200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3213302929200).

1478149171200 is an abundant number, since it is smaller than the sum of its proper divisors (4948456687200).

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

1478149171200 is a wasteful number, since it uses less digits than its factorization.

1478149171200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The spelling of 1478149171200 in words is "one trillion, four hundred seventy-eight billion, one hundred forty-nine million, one hundred seventy-one thousand, two hundred".