1428173510400 has 864 divisors, whose sum is σ = 6445568568320. Its totient is φ = 301325598720.

The previous prime is 1428173510399. The next prime is 1428173510417. The reversal of 1428173510400 is 40153718241.

1428173510400 is a `hidden beast` number, since 14 + 28 + 1 + 73 + 510 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15679389 + ... + 15770211.

Almost surely, 2^{1428173510400} is an apocalyptic number.

1428173510400 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 1428173510400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3222784284160).

1428173510400 is an abundant number, since it is smaller than the sum of its proper divisors (5017395057920).

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

1428173510400 is a wasteful number, since it uses less digits than its factorization.

1428173510400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90878 (or 90853 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 1428173510400 in words is "one trillion, four hundred twenty-eight billion, one hundred seventy-three million, five hundred ten thousand, four hundred".