1428487042734 has 12 divisors (see below), whose sum is σ = 3095055259296. Its totient is φ = 476162347572.

The previous prime is 1428487042733. The next prime is 1428487042757. The reversal of 1428487042734 is 4372407848241.

1428487042734 is a `hidden beast` number, since 1 + 42 + 84 + 8 + 70 + 427 + 34 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428487042733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39680195614 + ... + 39680195649.

It is an arithmetic number, because the mean of its divisors is an integer number (257921271608).

Almost surely, 2^{1428487042734} is an apocalyptic number.

1428487042734 is an abundant number, since it is smaller than the sum of its proper divisors (1666568216562).

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

1428487042734 is a wasteful number, since it uses less digits than its factorization.

1428487042734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79360391271 (or 79360391268 counting only the distinct ones).

The product of its (nonzero) digits is 9633792, while the sum is 54.

The spelling of 1428487042734 in words is "one trillion, four hundred twenty-eight billion, four hundred eighty-seven million, forty-two thousand, seven hundred thirty-four".