1428540236754 has 32 divisors (see below), whose sum is σ = 2874822874560. Its totient is φ = 473231572992.

The previous prime is 1428540236723. The next prime is 1428540236779. The reversal of 1428540236754 is 4576320458241.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1428540236697 and 1428540236706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402084 + ... + 1737455.

It is an arithmetic number, because the mean of its divisors is an integer number (89838214830).

Almost surely, 2^{1428540236754} is an apocalyptic number.

1428540236754 is an abundant number, since it is smaller than the sum of its proper divisors (1446282637806).

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

1428540236754 is a wasteful number, since it uses less digits than its factorization.

1428540236754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140234.

The product of its (nonzero) digits is 6451200, while the sum is 51.

The spelling of 1428540236754 in words is "one trillion, four hundred twenty-eight billion, five hundred forty million, two hundred thirty-six thousand, seven hundred fifty-four".