1250453451140 has 24 divisors (see below), whose sum is σ = 2696923931352. Its totient is φ = 486662964480.

The previous prime is 1250453451113. The next prime is 1250453451161. The reversal of 1250453451140 is 411543540521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 122231347456 + 1128222103684 = 349616^2 + 1062178^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1250453451140.

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 7 ways as a sum of consecutive naturals, for example, 844900241 + ... + 844901720.

It is an arithmetic number, because the mean of its divisors is an integer number (112371830473).

Almost surely, 2^{1250453451140} is an apocalyptic number.

1250453451140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250453451140 is an abundant number, since it is smaller than the sum of its proper divisors (1446470480212).

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

1250453451140 is a wasteful number, since it uses less digits than its factorization.

1250453451140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689802007 (or 1689802005 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 1250453451140 its reverse (411543540521), we get a palindrome (1661996991661).

The spelling of 1250453451140 in words is "one trillion, two hundred fifty billion, four hundred fifty-three million, four hundred fifty-one thousand, one hundred forty".