1428571714446 has 16 divisors (see below), whose sum is σ = 3174603810000. Its totient is φ = 476190571464.

The previous prime is 1428571714441. The next prime is 1428571714459. The reversal of 1428571714446 is 6444171758241.

1428571714446 is a `hidden beast` number, since 1 + 4 + 28 + 5 + 7 + 171 + 4 + 446 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 26455031749 = 1428571714446 / (1 + 4 + 2 + 8 + 5 + 7 + 1 + 7 + 1 + 4 + 4 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 1428571714392 and 1428571714401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428571714441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13227515821 + ... + 13227515928.

It is an arithmetic number, because the mean of its divisors is an integer number (198412738125).

Almost surely, 2^{1428571714446} is an apocalyptic number.

1428571714446 is an abundant number, since it is smaller than the sum of its proper divisors (1746032095554).

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

1428571714446 is a wasteful number, since it uses less digits than its factorization.

1428571714446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26455031760 (or 26455031754 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The spelling of 1428571714446 in words is "one trillion, four hundred twenty-eight billion, five hundred seventy-one million, seven hundred fourteen thousand, four hundred forty-six".