1245430552400 has 120 divisors (see below), whose sum is σ = 3079669864704. Its totient is φ = 483658560000.

The previous prime is 1245430552391. The next prime is 1245430552433. The reversal of 1245430552400 is 42550345421.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 6761525 + ... + 6943275.

Almost surely, 2^{1245430552400} is an apocalyptic number.

1245430552400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245430552400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539834932352).

1245430552400 is an abundant number, since it is smaller than the sum of its proper divisors (1834239312304).

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

1245430552400 is a wasteful number, since it uses less digits than its factorization.

1245430552400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182269 (or 182258 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 1245430552400 its reverse (42550345421), we get a palindrome (1287980897821).

The spelling of 1245430552400 in words is "one trillion, two hundred forty-five billion, four hundred thirty million, five hundred fifty-two thousand, four hundred".