1002445544250 has 256 divisors, whose sum is σ = 2800605749760. Its totient is φ = 265356000000.

The previous prime is 1002445544213. The next prime is 1002445544267. The reversal of 1002445544250 is 524455442001.

1002445544250 is a `hidden beast` number, since 1 + 0 + 0 + 24 + 45 + 544 + 2 + 50 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 770518600 + ... + 770519900.

It is an arithmetic number, because the mean of its divisors is an integer number (10939866210).

Almost surely, 2^{1002445544250} is an apocalyptic number.

1002445544250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002445544250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1400302874880).

1002445544250 is an abundant number, since it is smaller than the sum of its proper divisors (1798160205510).

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

1002445544250 is a wasteful number, since it uses less digits than its factorization.

1002445544250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 1002445544250 in words is "one trillion, two billion, four hundred forty-five million, five hundred forty-four thousand, two hundred fifty".