1028549521454 has 64 divisors (see below), whose sum is σ = 1949936042880. Its totient is φ = 396002580480.

The previous prime is 1028549521393. The next prime is 1028549521463. The reversal of 1028549521454 is 4541259458201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2883452 + ... + 3220464.

It is an arithmetic number, because the mean of its divisors is an integer number (30467750670).

Almost surely, 2^{1028549521454} is an apocalyptic number.

1028549521454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1028549521454 is a deficient number, since it is larger than the sum of its proper divisors (921386521426).

1028549521454 is a wasteful number, since it uses less digits than its factorization.

1028549521454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337485.

The product of its (nonzero) digits is 2304000, while the sum is 50.

The spelling of 1028549521454 in words is "one trillion, twenty-eight billion, five hundred forty-nine million, five hundred twenty-one thousand, four hundred fifty-four".