71248300400 has 30 divisors (see below), whose sum is σ = 171174042672. Its totient is φ = 28499320000.

The previous prime is 71248300391. The next prime is 71248300411. The reversal of 71248300400 is 400384217.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 89059976 + ... + 89060775.

Almost surely, 2^71248300400 is an apocalyptic number.

It is an amenable number.

71248300400 is an abundant number, since it is smaller than the sum of its proper divisors (99925742272).

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

71248300400 is a wasteful number, since it uses less digits than its factorization.

71248300400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178120769 (or 178120758 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 71248300400 its reverse (400384217), we get a palindrome (71648684617).

The spelling of 71248300400 in words is "seventy-one billion, two hundred forty-eight million, three hundred thousand, four hundred".