1254380008728 has 64 divisors (see below), whose sum is σ = 3909755877120. Its totient is φ = 325812988800.

The previous prime is 1254380008691. The next prime is 1254380008733. The reversal of 1254380008728 is 8278000834521.

It is a super-3 number, since 3×1254380008728³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339386683 + ... + 339390378.

It is an arithmetic number, because the mean of its divisors is an integer number (61089935580).

Almost surely, 2^{1254380008728} is an apocalyptic number.

It is an amenable number.

1254380008728 is an abundant number, since it is smaller than the sum of its proper divisors (2655375868392).

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

1254380008728 is a wasteful number, since it uses less digits than its factorization.

1254380008728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678777088 (or 678777084 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 1254380008728 in words is "one trillion, two hundred fifty-four billion, three hundred eighty million, eight thousand, seven hundred twenty-eight".