1254140883828 has 144 divisors (see below), whose sum is σ = 3762051797504. Its totient is φ = 357869132640.

The previous prime is 1254140883769. The next prime is 1254140883859. The reversal of 1254140883828 is 8283880414521.

1254140883828 is a `hidden beast` number, since 1 + 2 + 541 + 40 + 8 + 8 + 38 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5237643 + ... + 5471853.

Almost surely, 2^{1254140883828} is an apocalyptic number.

1254140883828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1254140883828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1881025898752).

1254140883828 is an abundant number, since it is smaller than the sum of its proper divisors (2507910913676).

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

1254140883828 is a wasteful number, since it uses less digits than its factorization.

1254140883828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235024 (or 235010 counting only the distinct ones).

The product of its (nonzero) digits is 3932160, while the sum is 54.

The spelling of 1254140883828 in words is "one trillion, two hundred fifty-four billion, one hundred forty million, eight hundred eighty-three thousand, eight hundred twenty-eight".