1250425140240 has 80 divisors (see below), whose sum is σ = 3878229902400. Its totient is φ = 333282233856.

The previous prime is 1250425140197. The next prime is 1250425140299. The reversal of 1250425140240 is 420415240521.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1250425140198 and 1250425140207.

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, 796950 + ... + 1770869.

It is an arithmetic number, because the mean of its divisors is an integer number (48477873780).

Almost surely, 2^{1250425140240} is an apocalyptic number.

1250425140240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250425140240 is an abundant number, since it is smaller than the sum of its proper divisors (2627804762160).

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

1250425140240 is a wasteful number, since it uses less digits than its factorization.

1250425140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569864 (or 2569858 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The spelling of 1250425140240 in words is "one trillion, two hundred fifty billion, four hundred twenty-five million, one hundred forty thousand, two hundred forty".