1250345144240 has 40 divisors (see below), whose sum is σ = 2910367392720. Its totient is φ = 499567746816.

The previous prime is 1250345144227. The next prime is 1250345144263. The reversal of 1250345144240 is 424415430521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1250345144240.

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 7 ways as a sum of consecutive naturals, for example, 8840510 + ... + 8980829.

It is an arithmetic number, because the mean of its divisors is an integer number (72759184818).

Almost surely, 2^{1250345144240} is an apocalyptic number.

1250345144240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250345144240 is an abundant number, since it is smaller than the sum of its proper divisors (1660022248480).

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

1250345144240 is a wasteful number, since it uses less digits than its factorization.

1250345144240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17822229 (or 17822223 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 1250345144240 in words is "one trillion, two hundred fifty billion, three hundred forty-five million, one hundred forty-four thousand, two hundred forty".