1245140314400 has 72 divisors (see below), whose sum is σ = 3044036395764. Its totient is φ = 497345408000.

The previous prime is 1245140314291. The next prime is 1245140314427. The reversal of 1245140314400 is 44130415421.

It can be written as a sum of positive squares in 6 ways, for example, as 809344932496 + 435795381904 = 899636^2 + 660148^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549347 + ... + 1670946.

Almost surely, 2^{1245140314400} is an apocalyptic number.

1245140314400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245140314400 is an abundant number, since it is smaller than the sum of its proper divisors (1798896081364).

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

1245140314400 is a wasteful number, since it uses less digits than its factorization.

1245140314400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221014 (or 2221001 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 1245140314400 its reverse (44130415421), we get a palindrome (1289270729821).

The spelling of 1245140314400 in words is "one trillion, two hundred forty-five billion, one hundred forty million, three hundred fourteen thousand, four hundred".